CN108336632A - A kind of integrated super steady chamber device and method of hysteroscope crystal - Google Patents
A kind of integrated super steady chamber device and method of hysteroscope crystal Download PDFInfo
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- CN108336632A CN108336632A CN201710040056.3A CN201710040056A CN108336632A CN 108336632 A CN108336632 A CN 108336632A CN 201710040056 A CN201710040056 A CN 201710040056A CN 108336632 A CN108336632 A CN 108336632A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0092—Nonlinear frequency conversion, e.g. second harmonic generation [SHG] or sum- or difference-frequency generation outside the laser cavity
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Abstract
The present invention relates to non-linear optical fields, more particularly to a kind of integrated super steady chamber device and method of hysteroscope crystal, the device includes first laser device, optical isolator, transform lens group, exocoel crystal assembly and temperature controller, optical isolator, transform lens group and exocoel crystal assembly are set gradually along the transmission direction of first laser device output light, temperature controller is equipped with laser input window and laser output window, exocoel crystal assembly is set to the inside of temperature controller, and exocoel crystal assembly includes optical crystal and the resonator mirror on optical crystal, resonator mirror makes the inside of optical crystal form resonant cavity, temperature controller is by changing the length of variable temperature control exocoel crystal assembly.The device, by the feature that ectocine is single and stablizes, resonator mirror is integrated on optical crystal and forms the exocoel crystal assembly with double frequency function using optical crystal, recycles the length of temperature controller control optical crystal, and frequency multiplication of outer-cavity is realized to meet resonance condition.
Description
Technical field
The invention belongs to nonlinear optical frequency conversion, injection locking and injection amplification field more particularly to a kind of hysteroscopes
The integrated super steady chamber device and method of crystal.
Background technology
Nonlinear frequency transformation is the new disciplines generated with Development of Laser Technology, on the basis of current material
On, the laser output of more wavelength bands is can get, therefore has just been concerned since appearance.
Laser freuqency doubling is nonlinear frequency transformation using most, most wide technology；However, since frequency multiplication process is to fundamental frequency light
Light intensity relies on very high, and in low average power, long pulse or the fundamental frequency optical sccond-harmonic generation that continuously exports, common single-pass shg efficiency is non-
It is often low, and extra-cavity resonant doubling technology can have important application value by its shg efficiency two magnitudes of raising.Especially
After being occurred based on PDH (Pound-Drever-Hall) technology extra-cavity resonant doubling theory, currently, in lower-wattage, continuous wave times
Frequency aspect has shg efficiency up to 95 ± 1% report.But due to the frequency multiplication of outer-cavity technical sophistication of injection locking, price
It is high, it is desirable that the difficult points such as user's operating technology profession greatly limit it and enter the potentiality in market.
Invention content
(1) technical problems to be solved
The technical problem to be solved by the present invention is to solve the problem of the complicated difficult operation of existing frequency doubling technology.
(2) technical solution
For the above-mentioned prior art the problem of, the present invention provides a kind of integrated super steady chamber dresses of hysteroscope crystal
It sets, including：First laser device, optical isolator, transform lens group, exocoel crystal assembly and temperature controller, the first laser device
Delivery outlet towards the optical isolator, the optical isolator, transform lens group and exocoel crystal assembly are along first laser
The transmission direction of device output light is set gradually, and the temperature controller is equipped with laser input window and laser output window, described outer
Chamber crystal assembly is set to the inside of the temperature controller, and the exocoel crystal assembly includes optical crystal and brilliant set on the optics
Resonator mirror on body, the resonator mirror make the inside of the optical crystal form resonant cavity, and the temperature controller passes through change
Temperature controls the length of the exocoel crystal assembly.
Wherein, the optical crystal is rodlike, blocky or platy structure, and laser input face and laser output face are flat
Row setting is symmetrically arranged concave surface, and the first laser device output light is perpendicular to described in the injection of the laser input face
In optical crystal；The resonator mirror include set on the optical crystal laser input face on the first hysteroscope and be set to institute
State the second hysteroscope on the laser output face of optical crystal, output light part of first hysteroscope to the first laser device
Reflection, to the output light total reflection after optical crystal converts；Second hysteroscope is complete to the output light of the first laser device
Reflection, to after optical crystal converts output light it is high thoroughly.
Wherein, the optical crystal is polyhedral structure, and there are one between laser input face and laser output face
Clamp angle, and the resonator mirror includes the third hysteroscope being set on the laser input face of the exocoel crystal, set on described
The 4th hysteroscope on the laser output face of exocoel crystal and the 5th hysteroscope set on the exocoel crystal on side face, the 5th chamber
The quantity of mirror is one or more；The third hysteroscope reflects the output light part of the first laser device, to through optics crystalline substance
Light total reflection is exported after body transformation, and the 4th hysteroscope is to the output light total reflection of the first laser device, to through optical crystal
Output light is high thoroughly after transformation, the output light of the 5th hysteroscope to the first laser device and the output light after optical crystal converts
It is totally reflected；The output light of the first laser device is injected into through third hysteroscope in the optical crystal, again through the 4th hysteroscope and
5th hysteroscope reflects to form closure light path.
Wherein, the temperature controller includes crystal oven and temperature control circuit system, and the crystal oven is wrapped in the exocoel
Outside crystal, the temperature control circuit system is used to carry out accurate temperature controlling to crystal oven to accurately control the length of the optical crystal
Degree, makes the resonance longitudinal mode of the optical crystal and the output longitudinal mode of the first laser device match.
Wherein, the optical crystal is bonded using the crystal high-temperature of material of the same race, or uses a variety of transparent material groups
It closes；The resonator mirror is made by the way of plated film, or is bonded the transparent crystal with the optical crystal unlike material
Plated film is made again；The surface of the resonator mirror is plane, spherical surface or paraboloid；The optical crystal is by frequency doubling non-linear's crystalline substance
One kind in body, gain media or nonlinear optical parametric oscillation crystal is made.
Wherein, which further includes second laser, the laser light incident that the second laser is sent out to exocoel crystalline substance
In body component, for activating the optical crystal.
The present invention also provides a kind of method carrying out frequency multiplication using the integrated super steady chamber device of above-mentioned hysteroscope crystal,
Include the following steps：
(1) fundamental frequency light of first laser device transmitting is injected into successively after optical isolator, transform lens group by non-thread
In exocoel crystal assembly made of property frequency-doubling crystal；
(2) target temperature for adjusting temperature controller, makes the length of exocoel crystal assembly change；
(3) transform lens group is adjusted, each resonator mirror of the light beam after transformation and exocoel crystal assembly is made to be combined into
The eigen mode of resonant cavity matches；
(4) step (2) and (3) is repeated, until the fundamental frequency light enhances in exocoel crystal assembly internal resonance, at non-linear times
Under the action of frequency crystal, fundamental frequency light is converted into frequency doubled light and is exported from laser output window.
The present invention also provides a kind of injection locking is carried out using the above-mentioned integrated super steady chamber device of hysteroscope crystal
Method includes the following steps：
(1) output light of first laser device transmitting is injected into successively after optical isolator, transform lens group by laser
In exocoel crystal assembly made of gain media；
(2) target temperature for adjusting temperature controller, makes the length of exocoel crystal assembly change；
(3) transform lens group is adjusted, light beam is matched with the eigen mode of the resonant cavity in exocoel crystal assembly after making transformation；
(4) step (2) and (3) is repeated, until light beam injects locking in resonant cavity interior resonance, to realize.
Originally it returns to provide and a kind of carrying out optical parametric oscillation using the integrated super steady chamber device of above-mentioned hysteroscope crystal
Method includes the following steps：
(1) pump light of first laser device output is successively after optical isolator, transform lens group, be injected by
In exocoel crystal assembly made of nonlinear optical parametric oscillation crystal；
(2) target temperature for adjusting temperature controller, makes the length of exocoel crystal assembly change；
(3) transform lens group is adjusted, the pump light after transformation and each resonator mirror of exocoel crystal assembly is made to be combined into
Resonant cavity eigen mode matching；
(4) step (2) and (3) is repeated, until obtain pump light enhances in resonant cavity internal resonance；
(5) under the nonlinear effect of exocoel optical parametric oscillation crystal, pump light is converted into signal light from laser output window
Mouth output.
The present invention provides a kind of sides carrying out injection amplification using the above-mentioned integrated super steady chamber device of hysteroscope crystal
Method includes the following steps：
(1) seed light of first laser device output is successively after optical isolator, transform lens group, be injected into it is described by
In exocoel crystal assembly made of laser gain medium, pumping source laser is opened simultaneously, activates laser gain medium；
(2) target temperature for adjusting temperature controller, makes the length of the exocoel crystal assembly change；
(3) transform lens group is adjusted, the seed light after transformation and each resonator mirror of exocoel crystal assembly is made to be combined into
Resonant cavity eigen mode matching；
(4) step (2) and (3) is repeated, until obtaining the seed light in resonant cavity interior resonance, to realize that injection is put
Greatly.
(3) advantageous effect
The present invention provides a kind of integrated super steady chamber device and methods of hysteroscope crystal, which includes first laser
The delivery outlet direction of device, optical isolator, transform lens group, exocoel crystal assembly and temperature controller, first laser device is optically isolated
Device, optical isolator, transform lens group and exocoel crystal assembly are set gradually along the transmission direction of first laser device output light, temperature
It controls instrument and is equipped with laser input window and laser input window, exocoel crystal assembly is set to the inside of temperature controller, and exocoel crystal
Component includes optical crystal and the resonator mirror on optical crystal, and resonator mirror makes the inside of optical crystal form resonance
Chamber, temperature controller is by changing the length of variable temperature control exocoel crystal assembly.The device is single by ectocine using optical crystal
And the feature stablized, resonator mirror is integrated on optical crystal and forms the exocoel crystal assembly with double frequency function, is recycled
Accurate temperature controller is accurately controlled the length of optical crystal, and frequency multiplication of outer-cavity is realized to meet resonance condition.
In addition to it is described above present invention solves the technical problem that, constitute technical solution technical characteristic and have this
Except advantage caused by the technical characteristic of a little technical solutions, what other technical characteristics of the invention and these technical characteristics were brought
Advantage will be further illustrated in conjunction with attached drawing.
Description of the drawings
Fig. 1 is the structural schematic diagram for the integrated super steady chamber device of hysteroscope crystal that the embodiment of the present invention one provides；
Fig. 2 is the structural schematic diagram of exocoel crystal assembly in the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of the integrated super steady chamber device of hysteroscope crystal provided by Embodiment 2 of the present invention；
Fig. 4 is the structural schematic diagram of exocoel crystal assembly in the embodiment of the present invention two；
Fig. 5 is the integrated super steady chamber device of hysteroscope crystal that the embodiment of the present invention three provides.
In figure, 11：First laser device；12：It is optically isolated device；13：Transform lens group；14：Exocoel crystal assembly；15：
Temperature controller；16：Laser input window；17：Laser output window；18：Fundamental frequency light；19：Frequency doubled light；24：Exocoel crystal assembly；
34：Exocoel crystal assembly；141：Exocoel crystal assembly；241：Optical crystal；310：Second laser；311：Second laser
Output light；M1：First hysteroscope；M2：Second hysteroscope；M3：Third hysteroscope；M4：4th hysteroscope；M5：5th hysteroscope.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multigroup " be meant that two or
Two or more, " several ", " several ", " several groups " are meant that one or more.
Embodiment one
As depicted in figs. 1 and 2, an embodiment of the present invention provides a kind of integrated super steady chamber devices of hysteroscope crystal, including：
First laser device 11, optical isolator 12, transform lens group 13, exocoel crystal assembly 14 and temperature controller 15, first laser device 11
Delivery outlet towards optical isolator 12, optical isolator 12, transform lens group 13 and exocoel crystal assembly 14 are along first laser
The transmission direction of device output light is set gradually, and temperature controller 15 is equipped with laser input window 16 and laser output window 17, exocoel
Crystal assembly 14 is set to the inside of temperature controller 15, and exocoel crystal assembly 14 including optical crystal 141 and is set to optical crystal 141
On resonator mirror, resonator mirror make optical crystal inside formed resonant cavity, temperature controller 15 is by changing variable temperature control exocoel
The length of crystal assembly 14.The device, by the feature that ectocine is single and stablizes, resonator mirror is integrated using optical crystal
Exocoel crystal assembly is formed on optical crystal, accurate temperature controller is recycled to be accurately controlled the length of optical crystal, with full
Sufficient resonance condition.
Further, optical crystal 141 is club shaped structure, and laser input face is parallel with laser output face, and the
The output light of one laser 11 is injected perpendicular to laser input face in optical crystal 141；Resonator mirror includes being set to optics crystalline substance
The first hysteroscope M1 on the laser input face of body and the second hysteroscope M2 on the laser output face of optical crystal, first
Hysteroscope M1 reflects the output light part of first laser device 11, to the output light total reflection after the transformation of optical crystal 141；Second
Hysteroscope M2 to the output light total reflection of first laser device 11, to after the transformation of optical crystal 141 output light it is high thoroughly.It is finally reached light
Beam resonance oscillation in exocoel crystal assembly.
Further, temperature controller 15 includes crystal oven and temperature control circuit system, and crystal oven is wrapped in exocoel crystal assembly 14
Outside, temperature control circuit system is used to carry out accurate temperature controlling to crystal oven to make exocoel to accurately control the length of optical crystal 141
The longitudinal mode of crystal assembly 14 matches with first laser device output longitudinal mode.Temperature-controlled precision≤0.01 DEG C of temperature controller 15, crystal oven
It can be full encirclement structure.In experiment, the best frequency multiplication temperature K of roughing KDP crystal first0, secondly, in K0Accurate temperature adjustment Km nearby,
So that 141 length of optical crystal is changed, realizes the resonant check in resonant cavity of optical crystal 141, lock Km immediately.
Further, optical crystal 141 is bonded using the crystal high-temperature of material of the same race, or uses a variety of transparent materials
It is composed；Resonator mirror is made by the way of plated film, or bonding and the transparent crystal of 141 unlike material of optical crystal plate again
Film is made；The surface of resonator mirror is plane, spherical surface or paraboloid；
Further, optical crystal 141 is by frequency doubling non-linear's crystal, gain media or nonlinear optical parametric oscillation crystal
One or more be made.Optical crystal 141 can be laser crystal in the present embodiment, can also be in conversion process
In temperature-resistant frequency-changer crystal, such as KDP, LiNO under angle automatching3, LBO, BBO or periodic polarized crystal, it is excellent
KDP is selected, this kind of crystal growth, processing technology are ripe, and price is relatively low；Optical quality and damage threshold are higher, can preferably meet
It is required that.Under conditions of meeting phase matched, by calculating the quiescent dissipation of crystal, determine the first hysteroscope M1 for first laser
The reflectivity of the output light of device is to meet impedance matching condition, and the first hysteroscope M1 is all-trans to the output light after transformation, the second hysteroscope
M2 is all-trans to the output light of first laser device, high to the output light after transformation saturating.The output light for being finally reached first laser device exists
Resonance oscillation in exocoel crystal assembly.
Embodiment two
As shown in Figure 3 and Figure 4, the present embodiment is similar to embodiment one, and same section repeats no more, and the difference of the two exists
In the optical crystal 241 in the present embodiment is polyhedral structure, and there are one between laser input face and laser output face
Clamp angle, and resonator mirror includes the third hysteroscope M3 being set on the laser input face of exocoel crystal, set on exocoel crystal
The 4th hysteroscope M4 on laser output face and the 5th hysteroscope M5 on another side of exocoel crystal；The number of 5th hysteroscope M5
Amount is one or more, and the quantity in the laser output face of optical crystal 241 is one or more；M3 pairs first of third hysteroscope swashs
The output light part of light device is reflected, and to exporting light total reflection after optical crystal converts, the 4th hysteroscope M4 is to first laser device
Export light total reflection, to after optical crystal converts output light it is high thoroughly, output lights and warp of the 5th hysteroscope M5 to first laser device
Output light is totally reflected after optical crystal transformation；The output light 18 of first laser device is injected into optical crystal through third hysteroscope M3
Closure light path is reflected to form in 241, again through the 4th hysteroscope M4 and the 5th hysteroscope M5.In the present embodiment, optical crystal 241
Shape as shown in figure 4, the 5th hysteroscope M5 is set on the bottom surface of optical crystal 241, penetrate M3 from third hysteroscope and enter to optics crystalline substance by light beam
The inside of body is injected into after superrefraction on the 5th lens M5, is incident on the 4th hysteroscope M4 by the reflection of the 5th hysteroscope M5,
Using reflecting back on third hysteroscope M3, the light path of a closure is formed.
Using the integrated super steady chamber device of the hysteroscope crystal of embodiment one and embodiment two can to light beam carry out frequency multiplication,
The experiments such as injection locking and optical parametric oscillation.
1, light beam can be carried out again using the hysteroscope crystal integrated super steady chamber device of embodiment one or embodiment two
The method of frequency, when carrying out frequency multiplication, first laser device 11 emits single-frequency light, optical crystal 141 or optical crystal 241 using non-linear
Frequency-doubling crystal is made, by taking the integrated super steady chamber device of the hysteroscope crystal of embodiment one carries out frequency multiplication as an example, operating procedure master
Including：
(1) fundamental frequency light that first laser device 11 emits is injected into successively after optical isolator 12, transform lens group 13
In the exocoel crystal assembly 14 made of frequency doubling non-linear's crystal, transform lens group 13 carries out mode conversion to fundamental frequency light 18, makes
The assertive evidence pattern of resonant cavity in the pattern match exocoel crystal assembly 14 of fundamental frequency light 18, that is, meet pattern match；
(2) the target temperature Km for adjusting temperature controller 15, makes the length of exocoel crystal assembly 14 change；
(3) transform lens group 13 is adjusted, the light beam after transformation is made to be combined with each resonator mirror of exocoel crystal assembly 14
At resonant cavity eigen mode matching；
(4) step (2) and (3) is repeated, until obtained fundamental frequency light 18 resonant check in exocoel crystal assembly 14, again
Under the nonlinear effect of frequency crystal, fundamental frequency light 18 is converted into frequency doubled light 19 and is exported from laser output window.
2, light beam can be noted using the hysteroscope crystal integrated super steady chamber device of embodiment one or embodiment two
Enter the method for locking, first laser device 11 is emitted seed light, exocoel crystal assembly 14 or exocoel crystal assembly 24 and increased using laser
Beneficial medium is made, by taking the integrated super steady chamber device of the hysteroscope crystal of embodiment one carries out injection locking as an example, operating procedure
Include mainly：
(1) output light that first laser device 11 emits is injected into successively after optical isolator 12, transform lens group 13
In the exocoel crystal assembly 14 made of laser gain medium；
(2) target temperature for adjusting temperature controller 15, makes the length of exocoel crystal assembly 14 change；
(3) transform lens group 13 is adjusted, the eigen mode of light beam and the resonant cavity in exocoel crystal assembly 14 after transformation is made
Matching；
(4) step (2) and (3) is repeated, until light beam injects locking in resonant cavity interior resonance, to realize.
3, light can be carried out to light beam using the integrated super steady chamber device of hysteroscope crystal of embodiment one and embodiment two
The method of parametric oscillation, first laser device 141 use pumping source laser, and exocoel crystal assembly 14 or exocoel crystal assembly 24 are adopted
It is made of nonlinear crystal, by taking the integrated super steady chamber device of the hysteroscope crystal of embodiment one carries out optical parametric oscillation as an example,
Operating procedure includes mainly：
(1) pump light that the first laser device 11 exports is noted successively after optical isolator 12, transform lens group 13
Enter into the exocoel crystal assembly 14 made of exocoel optical parametric oscillation crystal；
(2) target temperature for adjusting temperature controller 15, makes the length of exocoel crystal assembly 14 change；
(3) transform lens group 13 is adjusted, the pump light after transformation and each resonant cavity microscope group on exocoel crystal assembly 14 are made
The eigen mode of the resonant cavity of synthesis matches；
(4) step (2) and (3) is repeated, until obtain pump light enhances in resonant cavity internal resonance；
(5) under the nonlinear effect of exocoel optical parametric oscillation crystal, pump light is converted into signal light from laser output window
Mouth 17 exports.
Embodiment three
As shown in figure 5, the present embodiment is similar to the structure of embodiment one and embodiment two, something in common repeats no more,
The present embodiment and embodiment one and embodiment two difference lies in：The integrated super steady chamber device of hysteroscope crystal of the present embodiment is also
Including second laser 310, second laser 310 emits on laser to exocoel crystal assembly 34, for activating exocoel crystal group
Part 34, the structure of exocoel crystal assembly 34 can be with the structure phase of the exocoel crystal assembly 14 in embodiment one in the present embodiment
Together, or identical as the structure of exocoel crystal assembly 24 in embodiment two, first laser device 11 selects seed source laser,
Second laser 310 selects pumping source laser, optical crystal to be made of gain media.
The present embodiment additionally provide using the present embodiment the integrated super steady chamber device of hysteroscope crystal can to light beam into
The method of row injection amplification, concrete operation step include mainly：
1) seed light that first laser device 11 exports is injected into successively after optical isolator 12, transform lens group 13
In the optical crystal made of laser gain medium, second laser 310, the output light of second laser are opened simultaneously
311 activation exocoel crystal assemblies 34；
(2) target temperature for adjusting temperature controller 15, makes the length of the exocoel crystal assembly 34 change；
(3) transform lens group 13 is adjusted, the seed light after transformation and each resonant cavity microscope group on exocoel crystal assembly 34 are made
The eigen mode of the resonant cavity of synthesis matches；
(4) step (2) and (3) is repeated, until obtaining the seed light in resonant cavity interior resonance, to realize that injection is put
Greatly.
When in use, speculum group can be set in the transmission direction of light beam, and speculum group is arranged in parallel including two
Speculum, the direction of propagation of speculum and light beam is arranged at 45 degree of angles, the transmission direction for changing light beam as needed.
In embodiment one and embodiment two, speculum group setting is being optically isolated between device and transform lens group, in three kinds of embodiment,
The quantity of speculum group is two groups, and two groups of speculum groups, which are respectively arranged on, to be optically isolated between device and transform lens group and pumping source
In the transmission light path of laser.
As supplement, " hysteroscope crystal integration external cavity apparatus " provided in an embodiment of the present invention is equally applicable in sum of fundamental frequencies
Or difference frequency technology.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of integrated super steady chamber device of hysteroscope crystal, which is characterized in that including：First laser device, optical isolator, change
Change lens group, exocoel crystal assembly and temperature controller, the delivery outlet of the first laser device is towards the optical isolator, the light
It learns isolator, transform lens group and exocoel crystal assembly to set gradually along the transmission direction of the first laser device output light, institute
It states temperature controller and is equipped with laser input window and laser output window, the exocoel crystal assembly is set to the interior of the temperature controller
Portion, and the exocoel crystal assembly includes optical crystal and the resonator mirror on the optical crystal, the resonator mirror
The inside of the optical crystal is set to form resonant cavity, the temperature controller is by changing the length of exocoel crystal assembly described in variable temperature control
Degree.
2. the integrated super steady chamber device of hysteroscope crystal according to claim 1, which is characterized in that the optical crystal is
Rodlike, blocky or platy structure, laser input face and laser output face are arranged in parallel or are symmetrically arranged concave surface, and
The first laser device output light is injected perpendicular to the laser input face in the optical crystal；The resonator mirror includes
The first hysteroscope on the laser input face of the optical crystal and on the laser output face of the optical crystal
The second hysteroscope, first hysteroscope reflects the output light part of the first laser device, to after optical crystal converts
Export light total reflection；Second hysteroscope is to the output light total reflection of the first laser device, to defeated after optical crystal converts
Light extraction is high thoroughly.
3. the integrated super steady chamber device of hysteroscope crystal according to claim 1, which is characterized in that the optical crystal is
Polyhedral structure, there are certain angles between laser input face and laser output face, and the resonator mirror includes setting
In the third hysteroscope on the laser input face of the exocoel crystal, on the laser output face of the exocoel crystal
The quantity of four hysteroscopes and the 5th hysteroscope set on the exocoel crystal on side face, the 5th hysteroscope is one or more；Described
Three hysteroscopes reflect the output light part of the first laser device, to exporting light total reflection after optical crystal converts, described the
Four hysteroscopes to the output light total reflection of the first laser device, to after optical crystal converts output light it is high thoroughly, the 5th chamber
To the output light of the first laser device and after optical crystal converts, output light is totally reflected mirror；The first laser device it is defeated
Light extraction is injected into through third hysteroscope in the optical crystal, through the 4th hysteroscope and the 5th hysteroscope reflects to form closure light path again.
4. the integrated super steady chamber device of hysteroscope crystal according to claim 1, which is characterized in that the temperature controller packet
Crystal oven and temperature control circuit system are included, the crystal oven is wrapped in outside the exocoel crystal, and the temperature control circuit system is used for
Accurate temperature controlling is carried out to accurately control the length of the optical crystal to crystal oven, make the resonance longitudinal mode of the optical crystal with
The output longitudinal mode of the first laser device matches.
5. the integrated super steady chamber device of hysteroscope crystal according to claim 2 or 3, which is characterized in that the optics is brilliant
Body is bonded using the crystal high-temperature of material of the same race, or is composed using a variety of transparent materials；The resonator mirror uses
The mode of plated film is made, or plated film is made bonding again with the transparent crystal of the optical crystal unlike material；The resonator mirror
Surface be plane, spherical surface or paraboloid；The optical crystal is by frequency doubling non-linear's crystal, gain media or nonlinear optical parameter
One kind in oscillating crystal is made.
6. the integrated super steady chamber device of hysteroscope crystal according to claim 5, which is characterized in that the device further includes
Dual-laser device, in the laser light incident that the second laser is sent out to the exocoel crystal assembly, for activating the optics brilliant
Body.
7. a kind of carrying out frequency-doubling method using the integrated super steady chamber device of the hysteroscope crystal described in claim 5, feature exists
In including the following steps：
(1) fundamental frequency light of first laser device transmitting is injected into successively after optical isolator, transform lens group by non-linear times
In exocoel crystal assembly made of frequency crystal；
(2) target temperature for adjusting temperature controller, makes the length of exocoel crystal assembly change；
(3) transform lens group is adjusted, the resonance for making each resonator mirror of the light beam after transformation and exocoel crystal assembly be combined into
The eigen mode of chamber matches；
(4) step (2) and (3) is repeated, until the fundamental frequency light enhances in exocoel crystal assembly internal resonance, in frequency doubling non-linear's crystalline substance
Under the action of body, fundamental frequency light is converted into frequency doubled light and is exported from laser output window.
8. a kind of carrying out injection locking means using the integrated super steady chamber device of the hysteroscope crystal described in claim 5, special
Sign is, includes the following steps：
(1) output light of first laser device transmitting is injected into successively after optical isolator, transform lens group by laser gain
In exocoel crystal assembly made of medium；
(2) target temperature for adjusting temperature controller, makes the length of exocoel crystal assembly change；
(3) transform lens group is adjusted, the light beam after transformation and the eigen mode of the resonant cavity of exocoel crystal assembly is made to match；
(4) step (2) and (3) is repeated, until light beam injects locking in resonant cavity interior resonance, to realize.
9. a kind of carrying out optical parametric oscillation method using the integrated super steady chamber device of the hysteroscope crystal described in claim 5,
It is characterized in that, includes the following steps：
(1) pump light of the first laser device output is injected into successively after optical isolator, transform lens group by non-thread
In exocoel crystal assembly made of property optical parametric oscillation crystal；
(2) target temperature for adjusting temperature controller, makes the length of exocoel crystal assembly change；
(3) transform lens group is adjusted, so that each resonator mirror of the pump light after transformation and exocoel crystal assembly is combined into humorous
Shake chamber eigen mode matching；
(4) step (2) and (3) is repeated, until obtain pump light enhances in resonant cavity internal resonance；
(5) under the nonlinear effect of exocoel optical parametric oscillation crystal, it is defeated from laser output window that pump light is converted into signal light
Go out.
10. a kind of carrying out injection amplification method using the integrated super steady chamber device of the hysteroscope crystal described in claim 6, special
Sign is, includes the following steps：
(1) seed light of first laser device output is injected into described by laser successively after optical isolator, transform lens group
In exocoel crystal assembly made of gain media, second laser is opened simultaneously, activates laser gain medium；
(2) target temperature for adjusting temperature controller, makes the length of the exocoel crystal assembly change；
(3) transform lens group is adjusted, so that each resonator mirror of the seed light after transformation and exocoel crystal assembly is combined into humorous
Shake chamber eigen mode matching；
(4) step (2) and (3) is repeated, until obtaining the seed light in resonant cavity interior resonance, to realize injection amplification.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0582884A1 (en) * | 1992-07-28 | 1994-02-16 | Sony Corporation | Laser beam generator |
| US5982788A (en) * | 1997-11-05 | 1999-11-09 | California Institute Of Technology | Semi-monolithic cavity for external resonant frequency doubling and method of performing the same |
| CN1747260A (en) * | 2005-07-15 | 2006-03-15 | 天津大学 | Generator of terahertz by oscillator with acyclic polarized crystal and double-wavelength optical parameter |
| US20070268941A1 (en) * | 2006-05-16 | 2007-11-22 | Samsung Electronics Co., Ltd. | Vertical external cavity surface emitting laser and method thereof |
| CN101431213A (en) * | 2008-12-10 | 2009-05-13 | 福州高意通讯有限公司 | Laser extra-cavity frequency doubling linear cavity structure |
| CN101916961A (en) * | 2010-07-31 | 2010-12-15 | 山西大学 | Double-wavelength external cavity resonance laser frequency converting device with tunable wavelength |
| CN103326227A (en) * | 2013-05-20 | 2013-09-25 | 中国电子科技集团公司第四十一研究所 | 266nm ultraviolet laser generator |
-
2017
- 2017-01-18 CN CN201710040056.3A patent/CN108336632B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0582884A1 (en) * | 1992-07-28 | 1994-02-16 | Sony Corporation | Laser beam generator |
| US5982788A (en) * | 1997-11-05 | 1999-11-09 | California Institute Of Technology | Semi-monolithic cavity for external resonant frequency doubling and method of performing the same |
| CN1747260A (en) * | 2005-07-15 | 2006-03-15 | 天津大学 | Generator of terahertz by oscillator with acyclic polarized crystal and double-wavelength optical parameter |
| US20070268941A1 (en) * | 2006-05-16 | 2007-11-22 | Samsung Electronics Co., Ltd. | Vertical external cavity surface emitting laser and method thereof |
| CN101431213A (en) * | 2008-12-10 | 2009-05-13 | 福州高意通讯有限公司 | Laser extra-cavity frequency doubling linear cavity structure |
| CN101916961A (en) * | 2010-07-31 | 2010-12-15 | 山西大学 | Double-wavelength external cavity resonance laser frequency converting device with tunable wavelength |
| CN103326227A (en) * | 2013-05-20 | 2013-09-25 | 中国电子科技集团公司第四十一研究所 | 266nm ultraviolet laser generator |
Non-Patent Citations (3)
| Title |
|---|
| A. ARIE 等: "Efficient resonant frequency doubling of a cw Nd:YAG laser in bulk periodically poled KTiOPO4", 《OPTICS LETTERS》 * |
| K. KONDO 等: "Demonstration of long-term reliability of a 266-nm, continuous-wave, frequency-quadrupled solid-state laser using β-BaB2O4", 《OPTICS LETTERS》 * |
| 田辺譲: "非線形光学結晶KNbO3を用いた半導体レーザー波長変換による青色レーザー", 《日本化学会志》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130395A (en) * | 2020-09-25 | 2020-12-25 | 山西大学 | Integral optical resonant cavity for frequency conversion |
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