CN108551076A - A kind of adjustable dual wavelength of repetition rate receives a joule picosecond laser - Google Patents
A kind of adjustable dual wavelength of repetition rate receives a joule picosecond laser Download PDFInfo
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- CN108551076A CN108551076A CN201810649433.8A CN201810649433A CN108551076A CN 108551076 A CN108551076 A CN 108551076A CN 201810649433 A CN201810649433 A CN 201810649433A CN 108551076 A CN108551076 A CN 108551076A
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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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1106—Mode locking
Abstract
The present invention discloses a kind of adjustable dual wavelength of repetition rate and receives a joule picosecond laser, including single channel exports Mode-locked laser resonator, 45 ° of reflection light mirrors, optoisolator, reflective electrooptic pulse selector, frequency-doubling crystal, measuring spectroscope and 45 ° of speculums.Mode-locked laser resonator outgoing mirror is exported at the adjustable single channel of output rating using quarter-wave plate and polarizer group, output high repetition frequency, pulse energy receive the mode locking picosecond pulse of joule；Selection to mode locking picosecond pulse is realized by reflective pulse selector, obtains the adjustable picosecond pulse of repetition rate, carries out frequency conversion through frequency-doubling crystal and obtain dual wavelength to receive a joule picosecond pulse laser.The present invention exports the tunable outgoing mirror of output rating in Mode-locked laser resonator with polarizing film using quarter-wave plate as single channel, Joule energy adjustable mode locking single channel output is received in acquisition, reflective electrooptic pulse selector and the tunable mirror of the angle of departure are used simultaneously, reduce the high pressure of electro-optic crystal and meet the requirement of required laser beam divergence.
Description
Technical field
The invention belongs to field of lasers, more particularly, are related to a kind of for generating picosecond pulse and repetition rate can
Dual wavelength is adjusted to receive a joule picosecond laser.
Background technology
It is widely applied to retrofit, bioscience, high-precision laser range-finding in ultrashort ultrafast picosecond laser
Equal fields.It is also especially short with the material effect time since Ps Laser Pulse is short, it is consistent with the rate of heat generation of substance, this
Sample is acted on when picosecond laser on substance, and substance also has not enough time to generate heat, and laser will not act on substance so that on substance
Can not produce heat, material due to not hot accumulation, also just without thermal stress the effects that power so that material exists
Under the action of picosecond laser substance will not deform because of the thermal efficiency, the variations such as ablation, ensure that the person's character feature of material.
Picosecond laser widely acts on retrofit as a result, especially now with the miniaturization of intelligent terminal, universalness, skin
Second laser has been widely applied to mobile phone shell, by line, in the manufacture crafts such as Logo.Picosecond pulse is since pulse is short, in laser
In ranging detector detect laser the photon duration it is also shorter, the time interval error of ranging is also smaller, in this way survey
It is also higher away from precision, especially in the laser ranging of overlength distance, very high measurement accuracy can be obtained to target.Satellite
Generally picosecond laser is used to carry out ranging in laser ranging, for 40,000 kilometers of satellite of orbit altitude, measurement accuracy is
Through having reached 1 ~ 2cm, i.e., in 40,000 kilometers of measurement, error is only 1 ~ 2cm.
The acquisition generally use mode-locking technique of picosecond laser at present, by semiconductor saturable absorbing mirror（SESAM）With mode locking resonance
Chamber is combined the acquisition mode locking picosecond laser under certain pumping, and carries out pulse choosing using the electro-optical pulse selector of through type
It selects.Patent of invention CN201210292371.2《A kind of resonant cavity and mode locking picosecond laser for exporting mode locking picosecond laser》
In, output coupling mirror is used as using one in plano-concave mirror, plano-concave mirror is between semiconductor saturated absorbing body and laser crystal, i.e.,
Outgoing mirror is placed among Mode-locked laser resonator, and two-way mode locking light is exported, and such two-way mode locking light generally only uses mode locking light all the way, makes
Obtain the waste of another way output light.The electro-optical pulse selector of general through type is half to the high pressure added by electro-optic crystal
The voltage of wavelength, high pressure are up to several kilovolts, and obvious to electromagnetic interference, to high-pressure modular, the requirement of electronic circuit is stringent.
Invention content
A joule picosecond laser is received the object of the present invention is to provide a kind of adjustable dual wavelength of repetition rate, using a quarter
Wave plate and polarizer group are adjusted the outgoing mirror that single channel exports Mode-locked laser resonator at output rating, and the adjustable lock of Joule energy is received in acquisition
Mould single channel pulse exports, while using reflective electrooptic pulse selector, the high pressure of electro-optic crystal is effectively reduced, through frequency multiplication
Crystal carries out frequency conversion and obtains dual wavelength receiving a joule picosecond pulse laser.
The present invention is as follows using technical solution：
A kind of adjustable dual wavelength of repetition rate receives a joule picosecond laser, including single channel exports Mode-locked laser resonator, pulse detection group
Part, 45 ° of reflection light mirrors, optoisolator, reflective electrooptic pulse selector, frequency-doubling crystal, measuring spectroscope and 45 ° of reflections
Mirror；It is characterized in that, single channel output Mode-locked laser resonator output high repetition frequency, pulse energy receive the mode locking picosecond pulse sequence of joule
Row realize that the selection to mode locking picosecond pulse exports by reflective pulse selector, obtain the adjustable picosecond pulse of repetition rate
Output carries out frequency conversion through frequency-doubling crystal and obtains dual wavelength to receive a joule picosecond pulse laser.As a result, the present invention using four/
One wave plate and polarizer group export Mode-locked laser resonator outgoing mirror at the adjustable single channel of output rating, and it is adjustable that Joule energy is received in acquisition
Mode locking single channel exports, while using reflective electrooptic pulse selector, effectively reduces the high pressure of electro-optic crystal, and use hair
Firing angle is tunable, and mirror meets the requirement of required laser beam divergence.
Preferably, the single channel exports Mode-locked laser resonator, by gain pump module, the one 0 ° of total reflective mirror, and the first recessed anti-mirror,
One 45 ° of speculum, the first quarter-wave plate, the first polarizing film, the second recessed anti-mirror, the 2nd 0 ° of total reflective mirror, mode locking saturation are inhaled
Acceptor is arranged composition successively.
Preferably, a length of laser crystal of resonator of the single channel output Mode-locked laser resonator（143）Left end face
To the one 0 ° of total reflective mirror, the one 0 ° of total reflective mirror to the described first recessed anti-mirror, the first recessed anti-mirror to described first
45 ° of speculums, the one 45 ° of speculum to first polarizing film, first polarizing film to the 2nd 0 ° of total reflective mirror,
The 2nd 0 ° of total reflective mirror is to the described second recessed anti-mirror and the second recessed anti-mirror to the mode locking saturated absorbing body totally 7 sections of light paths
Sum of the distance.
Preferably, the sum of described 7 sections of optical path lengths are 1.5m ~ 1.8m.
Preferably, it is analyzed using resonant cavity software in the single channel exports Mode-locked laser resonator, the gain pump module,
The first recessed anti-mirror, the second recessed anti-mirror and the mode locking saturated absorbing body constitute stable laser resonator, and described the
The curvature of one recessed anti-mirror is 300mm, and the curvature of the second recessed anti-mirror is 350mm.
Preferably, the mode locking saturated absorbing body can be semiconductor saturable absorber（SESAM）, carbon nanotube is based on
The mode lockings saturated absorption material such as graphene.
Preferably, first quarter-wave plate and first polarizer group are at tunable outgoing mirror, output rating model
Enclose is 0 ~ 100%.
Preferably, the pulse detection component is made of the 2nd 45 ° of speculum with the PIN photoelectric tubes, described 45 °
Mode locking pulse is reflexed to the PIN photoelectric tubes by speculum, realizes the detection to mode locking pulse.
Preferably, 45 ° of reflection light mirrors by the 3rd 45 ° of speculum and the 4th 45 ° of speculum group at realizing to mode locking
Export the adjusting of pulse light path.
Preferably, the optoisolator is made of Faraday rotator and half wave plate, same polarised light from light every
It is imported from device difference end, the polarization state of other end output is different.
Preferably, the clear aperture of the Faraday rotator is 3 ~ 5mm.
Preferably, the reflective electrooptic pulse selector is by the second polarizing film, the second quarter-wave plate, general gram of box,
The angle of divergence tunes microscope group into selection output and the adjusting of the angle of divergence of the realization to mode locking pulse.
Preferably, the clear aperture of the general gram of box is 2 ~ 4mm, and KDP, the electro-optic crystal of the types such as BBO, institute can be used
The electric light high pressure added is the quarter-wave high pressure of corresponding crystal, and pulse choice output frequency is by loading the height on general gram of box
Voltage-frequency rate determines.
Preferably, the angle of divergence tunes mirror, can be recessed anti-mirror, 0 ° of speculum, convex anti-mirror, realization is to beam divergence angle
Adjusting.
Preferably, the clear aperture of the frequency-doubling crystal is 2 ~ 4mm, and KDP, KTP, LBO, a variety of times of PPLN etc. can be used
Frequency crystal.
Preferably, the measuring spectroscope can realize saturating to the height of a wavelength that the height of another wavelength is anti-.
Preferably, the single channel output Mode-locked laser resonator, the pulse detection component, 45 ° of reflection light mirrors are described
Optoisolator, the reflective electrooptic pulse selector, the frequency-doubling crystal are coated with and laser light wave with 45 ° of speculums
Section consistent high transmittance film or high-reflecting film.
The advantageous effect that technical solution provided by the invention is brought is：
（1）The present invention provides a kind of adjustable dual wavelength of repetition rate and receives a joule picosecond laser, passes through first a quarter
Wave plate and first polarizing film, realize that the energy of output is tunable.
（2）To export the adjusting of pulse recurrence frequency, the present invention uses reflective electrooptic pulse selector, when height repeats frequency
The mode locking pulse of rate is voltage-controlled by the height for controlling the reflective electrooptic pulse selector after reflective electrooptic pulse selector
System, realizes the selection of pulse output frequencies, while reflective electrooptic pulse selector can effectively reduce pulse selector
High pressure.
（3）It is adjusted for the angle of divergence of output beam, the hair in the heretofore described pulse selector using reflective electrooptic
Firing angle tunes mirror, can be recessed anti-mirror, 0 ° of speculum, convex anti-mirror.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is that the adjustable dual wavelength of a kind of repetition rate according to a preferred embodiment of the present invention receives a joule picosecond laser
The structural schematic diagram of device；
Fig. 2 is that the adjustable dual wavelength of a kind of repetition rate as shown in Figure 1 receives a joule picosecond laser, wherein reflective electrooptic pulse
The work schedule of selector；
In figure：
1- single channel exports Mode-locked laser resonator, 11- mode locking saturated absorbing bodies, the 2nd 0 ° of speculum of 12-, the recessed anti-mirrors of 13- first, 14-
Gain pump module, 141- pump diode pipe LD, 142- collimating mirrors, 143- laser crystals, the first quarter-wave plates of 15-,
The first polarizing films of 16-, the recessed anti-mirrors of 17- second, the one 45 ° of speculum of 18-, the one 0 ° of speculum of 19-；2- pulse detection components,
The 2nd 45 ° of speculum of 21-, 22-PIN photoelectric tubes；3-45 ° of reflection light mirror, the 3rd 45 ° of speculum of 31-, the 4th 45 ° of reflection of 32-
Mirror；4- optoisolators, 41- faraday isolators, 42- half wave plates；5- reflective electrooptic pulse selectors, 51- second
Polarizing film, the second quarter-wave plates of 52-, general gram of box of 53-, the 54- angles of divergence are tunable mirror；The 5th 45 ° of speculum of 6-；7- frequencys multiplication
Device；The 6th 45 ° of speculum of 8-；9- measuring spectroscopes.
Specific implementation mode
Below in conjunction with the accompanying drawings, presently preferred embodiments of the present invention is provided, and is described in detail, makes to be better understood when this hair
Bright function, feature.
As shown in Figure 1 for according to a kind of adjustable dual wavelength of repetition rate of one embodiment of the present of invention receive joule picosecond swash
Light device, including single channel output Mode-locked laser resonator 1,2,45 ° of reflection light mirrors 3 of pulse detection component, 4- optoisolators are reflective
Electro-optical pulse selector 5；5th 45 ° of speculum 6；Frequency multiplier 7；6th 45 ° of speculum 8；Measuring spectroscope 9.
Single channel output Mode-locked laser resonator 1 exports high repetition frequency, pulse energy and receives the mode locking picosecond pulse sequence of joule, quilt
Pulse detection component 2 detects, incident through optoisolator 4 to reflective electrooptic pulse selector 5 through 45 ° of reflection light mirrors 3,
Pulse choice is carried out by electro-optical pulse selector 5, obtains the adjustable pulse output of repetition rate, and by reflective electrooptic pulse
The tunable mirror 54 of the angle of divergence carries out the angle of divergence tuning of light beam in selector 5.The selection output of reflective electrooptic pulse selector 5
Pulse obtains the laser output of dual wavelength, is divided by wavelength through on the 5th 45 ° of speculum 6 to frequency multiplier 7, carrying out frequency conversion
Mirror 9 separates two wavelength, and a wavelength is exported through measuring spectroscope 9, and another wavelength and the 6th 45 ° of speculum reflection export.
Wherein, single channel exports Mode-locked laser resonator 1, by the 11, the 2nd 0 ° of speculum 12 of mode locking saturated absorbing body, the first recessed anti-mirror
13, gain pump module 14, the first quarter-wave plate 15, the first polarizing film 16, the second the 17, the 1st ° of recessed anti-mirror speculum
18, the 1st ° of speculum 19 is arranged composition successively.
Single channel exports a length of laser crystal of resonator of Mode-locked laser resonator 1（143）Left end face is to the one 0 ° of total reflective mirror
The recessed anti-mirror 13 of 19, the 1st ° of total reflective mirror 19 to the first, the first 13 to the 1st ° of recessed anti-mirror speculum 18, the one 45 ° of speculum 18
To the first polarizing film 16, the first 16 to the 2nd 0 ° of polarizing film total reflective mirror 12, the recessed anti-mirror 17 of the 2nd 0 ° of total reflective mirror 12 to the second and
To mode locking saturated absorbing body 11, the sum of totally 7 sections of optical path lengths, the sum of 7 sections of optical path lengths are 1.5m ~ 1.8m to two recessed anti-mirrors 17.
Single channel is exported in Mode-locked laser resonator 1 and is analyzed using LASCAD resonant cavity softwares, gain pump module 14, and first is recessed anti-
Mirror 13, the second recessed anti-mirror 17 constitute stable laser resonator with mode locking saturated absorbing body 11, and the curvature of the first recessed anti-mirror 13 is
The curvature of 300mm, the second recessed anti-mirror 17 are 350 mm.
First quarter-wave plate 15 and the first polarizing film 16 form tunable outgoing mirror, output rating ranging from 0 ~ 100%.
Gain pump module 14 is made of semiconductor pumped LD 141, collimating mirror 142 and laser crystal 143, laser crystal
143 one end are coated with oscillation fundamental frequency light high-reflecting film, pump light high transmittance film, and towards collimating mirror 142, the other end is coated with oscillation fundamental frequency light
High transmittance film and end face corner cut are Brewster's angle, ensure that oscillation fundamental frequency light is polarised light, and polarised light can be by the first polarizing film 16
Reflection.
Pulse detection optical assembly 2 is made of the 2nd 45 ° of speculum 21 and PIN photoelectric tube 22, and 45 ° of speculums 21 are by mode locking arteries and veins
Punching reflexes to PIN photoelectric tubes 22, realizes the detection to mode locking pulse, and by detectable signal to reflective electrooptic pulse selector 5.
45 ° of reflection light mirrors 3 are made of the 3rd 45 ° of speculum 31 with the 4th 45 ° of speculum 32, by regulating guarantee to lock
The pulse of mould output penetrates optoisolator 4.
Optoisolator 4 is made of Faraday rotator 41 and half wave plate 42 so that same polarised light is from optically isolated
The polarization state that the different ends of device 4 import output is different.The clear aperture of Faraday rotator 41 is 3 ~ 5mm.
Reflective electrooptic pulse selector 5 is by the second polarizing film 51, the second quarter-wave plate 52, general gram of box 53, diverging
Angle tunes mirror 54 and forms, and realizes selection output and the adjusting of the angle of divergence to mode locking pulse, pulse choice output frequency is by adding
The high voltage frequency being loaded on general gram of box 53 determines.
The clear aperture of general gram of box 53 is 2 ~ 4 mm, KDP can be used, a plurality of types of electro-optic crystals such as BBO are added
Electric light high pressure is quarter-wave high pressure.
The angle of divergence tunes mirror 54, can be recessed anti-mirror, 0 ° of speculum, adjusting of the convex anti-mirror realization to beam divergence angle.
The clear aperture of the frequency-doubling crystal of frequency multiplier 7 is 2 ~ 4mm, and KDP, KTP, LBO, a variety of frequencys multiplication such as PPLN can be used
Crystal.
It is that a kind of adjustable dual wavelength of repetition rate receives a joule picosecond laser, wherein reflective electrooptic arteries and veins to please refer to Fig. 2 again
Rush the work schedule of selector.Gao Zhongying mode locking pulse repetition rate under the pulse choice of reflective electrooptic pulse selector 5
Decline, wherein in order to ensure only one pulse of selection of individual reflection formula electro-optical pulse selector, reflective electrooptic pulse choice
The work pressurization duration of device 5 is less than the time interval of pulse in mode locking pulse, while in order to ensure the stability of pulse output, by
The mode-locked pulse signal that pulse detection component 2 detects is to reflective electrooptic pulse selector 5, when to differentiate mode locking pulse output
Sequence.By changing the 5 direct work period of reflective electrooptic pulse selector to realize the repetition rate of output laser pulse
It is adjustable.
The adjustable dual wavelength of a kind of repetition rate provided by the invention, which receives joule picosecond laser, as a result, can realize output pulse
Repetition rate it is adjustable, the adjustable twin wavelength laser output laser of pulse energy.
The gain pump module, 45 ° of speculums, 0 ° of speculum, recessed anti-mirror, polarizing film, Faraday rotator, Pu Ke
Box, the angle of departure tune mirror, frequency-doubling crystal, and measuring spectroscope etc. is coated with the high transmittance film consistent with laser optical band or high anti-
Film.
Above-described, only presently preferred embodiments of the present invention is not limited to the scope of the present invention, of the invention is upper
Stating embodiment can also make a variety of changes.Made by i.e. every claims applied according to the present invention and description
Simply, equivalent changes and modifications fall within the claims of patent of the present invention.The not detailed description of the present invention is
Routine techniques content.
Claims (9)
1. a kind of adjustable dual wavelength of repetition rate receives a joule picosecond laser, including single channel exports Mode-locked laser resonator（1）, pulse spy
Survey component（2）, 45 ° of reflection light mirrors（3）, optoisolator（4）, reflective electrooptic pulse selector（5）, the 5th 45 ° of speculum
（6）, frequency multiplier（7）, the 6th 45 ° of speculum（8）, measuring spectroscope（9）；It is characterized in that, single channel exports Mode-locked laser resonator（1）
Output high repetition frequency, pulse energy receive the mode locking picosecond pulse fundamental frequency light of joule, by pulse detection component（2）Detection, warp
45 ° of reflection light mirrors（3）Incidence penetrates optoisolator（4）To reflective electrooptic pulse selector（5）, pulse choice is carried out, is obtained
The adjustable pulse fundamental frequency light of repetition rate is obtained, through the 5th 45 ° of speculum（6）To frequency multiplier（7）On, it carries out frequency conversion and obtains together
The frequency doubled light of light path, measuring spectroscope（9）Two wavelength are separated, frequency doubled light penetrates measuring spectroscope（9）Output, fundamental frequency light is through wave
Long spectroscope（9）With the 6th 45 ° of speculum（8）Reflection output.
2. a kind of adjustable dual wavelength of repetition rate receives a joule picosecond laser according to claim 1, it is characterised in that：It is described
Single channel exports Mode-locked laser resonator（1）, by mode locking saturated absorbing body（11）, the 2nd 0 ° of speculum（12）, the first recessed anti-mirror（13）, increase
Beneficial pump module（14）, the first quarter-wave plate（15）, the first polarizing film（16）, the second recessed anti-mirror（17）, the one 45 ° of reflection
Mirror（18）, the one 0 ° of speculum（19）Arrangement composition successively.
3. a kind of adjustable dual wavelength of repetition rate receives a joule picosecond laser according to claim 1, it is characterised in that：It is described
Single channel exports Mode-locked laser resonator（1）In the first recessed anti-mirror（13）Curvature be 300mm, the second recessed anti-mirror（17）Curvature be
350mm；The a length of laser crystal of resonator（143）Left end face is to the one 0 ° of total reflective mirror（19）, the one 0 ° of total reflective mirror（19）Extremely
First recessed anti-mirror（13）, the first 13 to the 1st ° of recessed anti-mirror speculum（18）, the one 45 ° of 18 to the first polarizing film of speculum
（16）, the first polarizing film（16）To the 2nd 0 ° of total reflective mirror（12）, the 2nd 0 ° of total reflective mirror（12）To the second recessed anti-mirror（17）And second
Recessed anti-mirror（17）To mode locking saturated absorbing body（11）The sum of totally 7 sections of optical path lengths, the sum of 7 sections of optical path lengths are 1.5m ~ 1.8m.
4. a kind of adjustable dual wavelength of repetition rate receives a joule picosecond laser according to claim 2, it is characterised in that：It is described
The first quarter-wave plate（15）With first polarizing film（16）Tunable output coupling mirror is formed, output rating is ranging from
0~100%。
5. a kind of adjustable dual wavelength of repetition rate receives a joule picosecond laser according to claim 2, it is characterised in that：It is described
Gain pump module（14）By semiconductor pumped LD（141）, collimating mirror（142）And laser crystal（143）Composition, it is described
Laser crystal（143）One end is coated with oscillation light high-reflecting film, pump light high transmittance film, and towards the collimating mirror（142）, other end plating
It is Brewster's angle to have oscillation light high transmittance film and end face corner cut.
6. a kind of adjustable dual wavelength of repetition rate receives a joule picosecond laser according to claim 2, it is characterised in that：It is described
Mode locking saturated absorbing body（11）It can be semiconductor saturable absorber（SESAM）, carbon nanotube, based on the mode lockings such as graphene saturation
The effective active area of absorbing material, saturated absorption material is more than 1mm2。
7. a kind of adjustable dual wavelength of repetition rate receives a joule picosecond laser according to claim 1, it is characterised in that：It is described
Reflective electrooptic pulse selector（5）By the second polarizing film（51）, the second quarter-wave plate（52）, general gram of box（53）, diverging
Angle tunes mirror（54）Composition, the general gram of box（53）Clear aperture be 2 ~ 4mm, KDP can be used, BBO etc. is a plurality of types of
Electro-optic crystal, added electric light high pressure are the quarter-wave high pressure of corresponding crystal, and pulse choice output frequency is by loading
In general gram of box（53）On high voltage frequency determine that the angle of divergence tunes mirror（54）Can be recessed anti-mirror, 0 ° of speculum, convex anti-
Mirror.
8. a kind of adjustable dual wavelength of repetition rate receives a joule picosecond laser according to claim 1, it is characterised in that：It is described
Measuring spectroscope（9）It can be achieved to the high anti-of fundamental laser wavelength, the height of double-frequency laser wavelength is thoroughly.
9. according to claim 1, a kind of 2,3,4,5, the 6 adjustable dual wavelengths of repetition rate receive a joule picosecond laser, special
Sign is：The 2nd 0 ° of speculum（12）, the first recessed anti-mirror（13）, gain pump module（14）, the first quarter-wave
Piece（15）, the first polarizing film（16）, the second recessed anti-mirror（17）, the one 45 ° of speculum（18）, the one 0 ° of speculum（19）, second
45 ° of speculums（21）, the 3rd 45 ° of speculum（31）, the 4th 45 ° of speculum（32）；Faraday isolator（41）, half wave
Piece（42）, the second polarizing film（51）, the second quarter-wave plate（52）, general gram of box（53）, the angle of divergence is tunable mirror（54）, the 5th
45 ° of speculums（6）, frequency multiplier（7）, the 6th 45 ° of speculum（8）It is coated with the high transmittance film consistent with laser fundamental frequency light or high anti-
Film.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112186492A (en) * | 2019-07-03 | 2021-01-05 | 苏州曼德特光电技术有限公司 | Laser and adjusting method of output pulse repetition frequency thereof |
| CN112436374A (en) * | 2020-10-29 | 2021-03-02 | 恒银金融科技股份有限公司 | Design method of Q-switched laser based on Nd/Cr-YAG bonded crystal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101427A (en) * | 2007-06-06 | 2008-01-09 | 天津大学 | Double cladding large mode field area Yb-doped photon crystal optical fiber femtosecond laser |
| US20120039345A1 (en) * | 2009-05-04 | 2012-02-16 | Beijing Gk Laser Technology Co., Ltd. | Passively mode-locked picosecond laser device |
| CN103296577A (en) * | 2013-05-22 | 2013-09-11 | 北京工业大学 | kHz green ray picosecond laser device used for satellite distance measurement |
| CN203205699U (en) * | 2013-04-01 | 2013-09-18 | 北京铟尼镭斯技术有限公司 | Fiber solid mixing ultrashort pulse laser amplifier |
-
2018
- 2018-06-22 CN CN201810649433.8A patent/CN108551076A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101427A (en) * | 2007-06-06 | 2008-01-09 | 天津大学 | Double cladding large mode field area Yb-doped photon crystal optical fiber femtosecond laser |
| US20120039345A1 (en) * | 2009-05-04 | 2012-02-16 | Beijing Gk Laser Technology Co., Ltd. | Passively mode-locked picosecond laser device |
| CN203205699U (en) * | 2013-04-01 | 2013-09-18 | 北京铟尼镭斯技术有限公司 | Fiber solid mixing ultrashort pulse laser amplifier |
| CN103296577A (en) * | 2013-05-22 | 2013-09-11 | 北京工业大学 | kHz green ray picosecond laser device used for satellite distance measurement |
Non-Patent Citations (1)
| Title |
|---|
| 罗浆 等: "SESAM锁模全保偏光纤激光器重复频率的精确锁定", 《光学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112186492A (en) * | 2019-07-03 | 2021-01-05 | 苏州曼德特光电技术有限公司 | Laser and adjusting method of output pulse repetition frequency thereof |
| CN112436374A (en) * | 2020-10-29 | 2021-03-02 | 恒银金融科技股份有限公司 | Design method of Q-switched laser based on Nd/Cr-YAG bonded crystal |
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