CN2362212Y - Laser capable of concurrently outputting red, green and blue - Google Patents
Laser capable of concurrently outputting red, green and blue Download PDFInfo
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- CN2362212Y CN2362212Y CN 98206499 CN98206499U CN2362212Y CN 2362212 Y CN2362212 Y CN 2362212Y CN 98206499 CN98206499 CN 98206499 CN 98206499 U CN98206499 U CN 98206499U CN 2362212 Y CN2362212 Y CN 2362212Y
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- optical superlattice
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Abstract
The utility model relates to laser capable of simultaneously outputting the tricolor of red, green, and blue. The utility model aims to overcome the deficiency that the laser outputs the light with single wavelength, and thereby, optical superlattice crystals are arranged on light paths in two resonant cavity mirrors to be served as a parameter medium and a couple parameter medium to form a laser capable of simultaneously outputting the tricolor of red, green, and blue. The laser is a small all-solid-state laser with simple structure, low threshold value, high efficiency, and high quality beam.
Description
The utility model relates to a kind of laser aid, particularly a kind ofly can export laser red, green, blue three-primary colours simultaneously.
People such as Robert G.Batchko delivered the article of " adopting period polarized lithium niobate optical superlattice crystal; with single resonance parameter laser of 532nm continuous light pumping " in 1998 on 0pt.Lett., utilize four mirror systems to constitute an annular chamber, the long 116.4cm of annular chamber light path, long in the chamber with 53mm, 3mm is wide, and the lithium niobate optical superlattice crystal (PPLN) with 6.5 μ m polarization cycles that 0.5mm is thick is as the parameter laser medium.212 ℃-260 ℃ of coupling temperature obtain signal wavelength: 988-917nm, and idle optical wavelength 1151-1267nm, efficient reaches more than 40%.
People such as Graeme W.Ross have delivered the article of " producing high-power blue streak with period polarized lithium columbate crystal " on the Opt.Lett. in 1998, Nd:YAG laser with lithium niobate optical superlattice (PPLN) frequency multiplication 946nm, produce the blue streak of 473nm, the polarization cycle of PPLN is 4.5 μ m, thickness is 0.5mm, the near infrared light single of 946nm produces blue streak and reaches 450mW power by the PPLN crystal double frequency, and conversion efficiency is 40%.
More than the laser with optical superlattice of these two pieces of article introductions be that single resonance laser and monochromatic light frequency double laser all can not be exported red, green, blue three look laser simultaneously.
The laser that other medium is made, comprise solid, gas, liquid laser and free electron laser etc., comprise frequency modulation and non-frequency modulating laser, though its output laser all can only be one-wavelength laser or be multiwavelength laser but interval between the wavelength is little, can not form three-primary colours, and system complex, volume are big.
The multi-wavelength parametric laser can be exported multi-wavelength simultaneously, as the patent No.: 94119042, title: multi-wavelength parametric laser, middle description, because the restriction of light reentry phenomenon, have only a wavelength in the visual field, other wavelength drops on infrared and the far-infrared band, is restricted in actual applications.
The purpose of this utility model:
The purpose of this utility model is that the laser that overcomes original technology can only have the output of single wavelength laser, though or multi-wavelength arranged, but can not export the defective of the laser of three-primary colours simultaneously, thereby provide a kind of and do parameter medium and coupling paameter medium, constitute and a kind ofly high efficiencyly small-sizedly all solid state can export laser red, green, blue three-primary colours simultaneously with the optical superlattice crystal.The purpose of this utility model is achieved in that
Output was red when the utility model provided, green, blue three-primary colours laser, comprise the continuous or pulse pump light of optical maser wavelength in the 400-1200 nanometer range, two resonator mirrors and parameter medium and coupling paameter medium, it is characterized in that: pump light is placed in the place ahead of a resonator mirror, parameter medium and coupling paameter medium are parameter optical superlattice crystal, frequency multiplication optical superlattice crystal or and optical superlattice crystal frequently, on the light path in the middle of two optical resonator mirrors, place one in order, two or three optical superlattice crystal are formed the optical resonator of parameter optical superlattice crystal and frequency multiplication optical superlattice crystal, or composition parameter optical superlattice crystal reaches and the optical resonator of frequency optical superlattice crystal, or form parameter optical superlattice crystal, frequency multiplication optical superlattice crystal reaches the optical resonator with frequency optical superlattice crystal.
Utilizing optical super lattice material to form the optical resonator of parameter optical superlattice crystal and frequency multiplication optical superlattice crystal, is to utilize the optical superlattice crystal 3 that produces parameter laser, produces the optical superlattice crystal 4 and the optical superlattice crystal 5 of frequency multiplication.At wavelength is under the pump light effect of 532nm, the optical superlattice crystal 3 produces parameter laser, and its flashlight is become blue coloured light by optical superlattice crystal 4 frequency multiplication, and idle light is red light by optical superlattice crystal 5 frequency multiplication, the 532nm pump light that in addition sees through, output light is red, green, blue three-primary colours.The utility model has been realized the output of three-primary colours laser, uses for Multi Colour Lasers and lays a good foundation, and this is the double frequency parameter laser in straight chamber.If laying an optical superlattice crystal possesses parameter and double frequency function simultaneously, then this optical superlattice crystal has three kinds of structural cycles, satisfy producing parameteric light, three kinds of purposes of frequency-doubled signal light and idle light, or two kinds of structural cycles are arranged, a kind of generation parameteric light, two kinds of frequency doubled lights of a kind of generation; If lay then first generation parameteric light of two optical superlattice crystal, second produces two kinds of frequency doubled lights; If by putting three optical superlattice crystal, then first produces parameteric light, second block of frequency-doubled signal light, the 3rd block of idle light of frequency multiplication.In all cases, the flashlight of frequency multiplication and idle light, and the pump light that sees through constitutes a three-primary colours laser.
Utilize optical super lattice material form parameter optical superlattice crystal and and the optical resonator of optical superlattice crystal frequently, be to utilize the optical superlattice crystal 3 that produces parameter laser and produce and optical superlattice crystal 7 frequently.At wavelength is under the pump light effect of 532nm, and the optical superlattice crystal 3 produces parameter laser, and flashlight is a ruddiness, and optical superlattice crystal 7 is with pump light and idle light and form blue streak frequently.The flashlight of output and frequency light and the pump light that sees through form red, green, blue three-primary colours laser.
Utilize optical super lattice material to form parameter optical superlattice crystal, frequency multiplication optical superlattice crystal reaches the optical resonator with frequency optical superlattice crystal, be to utilize the optical superlattice crystal 3 that produces parameter laser, produce the optical superlattice crystal 6 of frequency multiplication, and produce and optical superlattice crystal 7 frequently.At wavelength is under the pump light effect of 1064nm, and the optical superlattice crystal 3 produces parameter laser, and the optical superlattice crystal 6 is the green glow of 532nm with the pump light frequency multiplication, and optical superlattice crystal 7 is with pump light and flashlight and form ruddiness and blue streak frequently.The frequency doubled light of output and two kinds and frequently light form red, green, blue three-primary colours laser.
The optical superlattice crystal is artificial micro-structural functional material, can be period polarized nonlinear optical crystal, as: lithium tantalate (PPTN), lithium columbate crystal (PPLN), potassium titanyl oxygenic phosphate(KTP) crystal (PPKTP) etc.The polarization cycle of optical superlattice changes in the 1-50 micrometer range.
The utility model also is included in and settles a heater on the optical superlattice crystal, can realize the output of frequency modulation three-primary colours laser to its temperature control and temperature adjustment.Superiority of the present utility model:
The nonlinear optical crystal that the utility model uses with optical superlattice crystal replacement routine, thereby realized a multi-functional (parameter of crystal, frequency multiplication and and frequency function), and have low threshold value, high efficiency, quality light beam, simple in structure and small-sized all solid state three-primary colours laser, adjust the structural cycle of optical superlattice crystal, can adjust three-primary colours light intensity proportioning, change the bandwidth and the centre wavelength of each color of light, to optical superlattice crystal temperature control and temperature adjustment, can realize the output of frequency modulation three-primary colours laser.The utility model is suitable for does the three-primary colours LASER Light Source that laser color shows, also is applicable in other researchs and the application and makes the Multi Colour Lasers light source, is superior to the synthetic Multi Colour Lasers source of a plurality of one-wavelength laser light sources.
Below in conjunction with accompanying drawing and specific embodiments the utility model is described in further detail:
Fig. 1 is the structural representation of red, green, the blue three-primary colours laser of output of the present utility model.
Fig. 2 is a kind of ring cavity structure schematic diagram of red, green, the blue three-primary colours laser of output of the present utility model.
Fig. 3 is a double frequency structural representation outside a kind of chamber of red, green, the blue three-primary colours laser of output of the present utility model.
Fig. 4 is the another kind of structural representation of red, green, the blue three-primary colours laser of output of the present utility model.
Fig. 5 is the another kind of structural representation of red, green, the blue three-primary colours laser of output of the present utility model.Drawing is described as follows:
(1)-and resonator mirror, be Multicolour mirror;
(2)-and output chamber mirror, be Multicolour mirror;
(3)-and the optical superlattice crystal, produce parameter laser;
(4)-and the optical superlattice crystal, frequency-doubled signal light;
(5)-and the optical superlattice crystal, the frequency multiplication light that leaves unused;
(6)-and the optical superlattice crystal, the frequency multiplication pump light;
(7)-optical superlattice crystal and frequency pump light and parameteric light;
(8)-and pump light, pump optical superlattice crystal (3);
(9)-output red, green, blue three-primary colours laser;
(10)-and completely reflecting mirror, be used for the looping chamber;
(11)-and completely reflecting mirror, be used for the looping chamber.
Embodiment 1
According to Fig. 1 make one with three optical superlattice crystal be placed in order form in the resonant cavity can export laser red, green, blue three-primary colours simultaneously, select Multicolour mirror for use; Total reflection parameteric light and frequency multiplication parameteric light, seeing through wavelength is the resonator mirror (1) of 532nm pump light; Resonator mirror (2) is an output chamber mirror, and the total reflection parameteric light sees through three-primary colours laser; One has polarization cycle is that the optical superlattice crystal (3) of 8.0 μ m is placed in the middle of two resonator mirrors (1) and (2), and it use the 532nm optical pumping, and the generation wavelength is the flashlight of 920nm and the idle light that wavelength is 1261nm; It is that the optical superlattice crystal (4) of 5.0 μ m is placed on optical superlattice crystal (3) back that another piece has polarization cycle, the flashlight frequency multiplication of 920nm wavelength is become the blue streak of 460nm; The 3rd has polarization cycle is that the optical superlattice crystal (5) of 12.7 μ m is placed on optical superlattice crystal (4) back, the idle optical sccond-harmonic generation of 1261nm wavelength is become the ruddiness of 630.5nm wavelength; The optical superlattice crystal is all used period polarized lithium tantalate (PPLT) μ m; Optical superlattice crystal (3), (4), (5) but the lithium niobate optical superlattice crystal of life cycle polarization also, or other optical superlattice crystal.
Change optical superlattice crystal (3), (4), each structural cycle of (5), can change the intensity proportioning of three-primary colours laser, also can change each first look Wavelength of Laser, optical superlattice crystal (3), (4), (5) carry out temperature control and temperature adjustment, can realize the output of frequency modulation three-primary colours laser.Embodiment 2
Make one according to Fig. 2 and be placed in the resonant cavity in order with three superlattice crystal, and outside speculum (1), (2) placing reflex mirror (10), (11) again, formation can be exported the annular cavity laser of red, green, blue three-primary colours laser simultaneously.Speculum (10), (11) are completely reflecting mirror, and speculum (1) sees through the Multicolour mirror of 532nm pump light for the total reflection parameteric light; Speculum (2) is for seeing through the pump light of two frequency doubled lights and 532nm, the Multicolour mirror of total reflection parameteric light; Having polarization cycle is the period polarized lithium tantalate optical superlattice crystal (PPLT) of the optical superlattice crystal (3) of 8.0 μ m for the generation parameteric light; The optical superlattice crystal (4) that has polarization cycle and be 5.0 μ m is the period polarized lithium tantalate optical superlattice crystal of frequency-doubled signal light; Having polarization cycle is the period polarized lithium tantalate optical superlattice crystal (PPLT) of the optical superlattice crystal (5) of 12.7 μ m for the idle light of frequency multiplication.Optical superlattice crystal (3), (4), (5) but the lithium niobate optical superlattice crystal of life cycle polarization also, or other optical superlattice crystal.Similar with embodiment 1, the periodic structure of adjustable lay the grain superlattice crystal changes the intensity proportioning of wavelength of all kinds; Controllable temperature and temperature adjustment obtain the output of frequency modulation three-primary colours laser.Embodiment 3
Make one according to Fig. 3 and can export laser red, green, blue three-primary colours simultaneously.Resonator mirror (1) is used Multicolour mirror, and the total reflection parameteric light also sees through the pump light of 532nm; Speculum (2) is an output chamber mirror, and the pump light of transmission 532nm is 70%-95% to the reflectivity of parameteric light; Optical superlattice crystal (3) is to have the lithium tantalate optical superlattice crystal (PPLT) that polarization cycle is 8.0 μ m, produces parameteric light under the pumping of 532nm ripple; The optical superlattice crystal (4) that has polarization cycle and be 5.0 μ m is placed on outside the resonant cavity, and the flashlight of frequency multiplication 920nm becomes the blue streak of 460nm; The optical superlattice crystal (5) that has polarization cycle and be 12.7 μ m is also placed in outside the resonant cavity, and the idle light of frequency multiplication 1261nm becomes the ruddiness of 630.5nm.Optical superlattice crystal (3), (4), (5) but the lithium niobate optical superlattice crystal of life cycle polarization also, or other optical superlattice crystal.Identical with embodiment 1, can change the periodic structure of optical superlattice crystal, change light intensity proportioning of all kinds, the optical superlattice crystal is carried out temperature control and temperature adjustment, can realize the output of frequency modulation three-primary colours laser.Embodiment 4
Make one according to Fig. 4 and can export laser red, green, blue three-primary colours simultaneously, resonant cavity is selected Multicolour mirror for use, and the total reflection parameteric light reaches and frequency light, and seeing through wavelength is the resonator mirror (1) of 532nm pump light; Resonator mirror (2) is an output chamber mirror, and the total reflection parameteric light sees through three-primary colours laser; The optical superlattice crystal (3) that has polarization cycle and be 11.2 μ m is used the 532nm optical pumping, and producing flashlight is the ruddiness of 650nm and the idle light of 2931nm; The optical superlattice crystal (7) that has polarization cycle and be 7.7 μ m has and function frequently, with pump light and idle light with become the blue streak that wavelength is 450nm frequently; The optical superlattice crystal is all used period polarized lithium tantalate (PPLT); Optical superlattice crystal (3), (7) but the lithium niobate optical superlattice crystal of life cycle polarization also, or other optical superlattice crystal.
Identical with embodiment 1, change optical superlattice crystal (3), the structural cycle of (7), can change the intensity proportioning of three-primary colours laser, also can change each first look Wavelength of Laser, the optical superlattice crystal is carried out temperature control and temperature adjustment, can realize the output of frequency modulation three-primary colours laser.Embodiment 5
Make one according to Fig. 5 and can export laser red, green, blue three-primary colours simultaneously, resonant cavity is selected Multicolour mirror for use, total reflection parameteric light and three-primary colours laser, and seeing through wavelength is the resonator mirror (1) of 1064nm pump light; Resonator mirror (2) is an output chamber mirror, and total reflection parameteric light and pump light see through three-primary colours laser; The optical superlattice crystal (3) that has polarization cycle and be 29.8 μ m is used the 1064nm optical pumping, and producing wavelength is the flashlight of 1535nm and the idle light that wavelength is 3468nm; The second optical superlattice crystal (6) that has polarization cycle and be 7.8 μ m has double frequency function, is the green glow of 532nm with the pump light frequency multiplication of 1064nm; The 3rd optical superlattice crystal (7) has two kinds of periodic structures, its polarization cycle is respectively 12.9 μ m and 5.2 μ m, optical superlattice crystal (7) has two and the frequency function, can and become the ruddiness that wavelength is 628nm frequently with pump light and flashlight, ruddiness and the frequency with flashlight and generation produces the blue streak that wavelength is 446nm again; The superlattice crystal is all used period polarized lithium tantalate (PPLT); Optical superlattice crystal (3), (6), (7) but the lithium niobate optical superlattice crystal of life cycle polarization also, or other optical superlattice crystal.
Identical with embodiment 1, change optical superlattice crystal (3), (6), (7) structural cycle can change the intensity proportioning of three-primary colours laser, also can change each first look Wavelength of Laser, the optical superlattice crystal is carried out temperature control and temperature adjustment, can realize the output of frequency modulation three-primary colours laser.
Claims (10)
1. can export laser red, green, blue three-primary colours simultaneously for one kind, comprise pump light source, two resonator mirrors and parameter medium and coupling paameter medium, it is characterized in that: described parameter medium and coupling paameter medium are the optical superlattice crystal, in two resonator mirrors or outside order lay 1-3 piece optical superlattice crystal, pump light is placed in a resonator mirror the place ahead and forms.
2. can export red, green, blue three-primary colours laser simultaneously by claim 1 is described, it is characterized in that: described in two resonator mirrors or outside order lay 1-3 piece optical superlattice crystal, be in two resonator mirrors, to place 1 optical superlattice crystal in the middle of the light path.
3. can export red, green, blue three-primary colours laser simultaneously by claim 1 is described, it is characterized in that: described in two resonator mirrors or outside order lay 1-3 piece optical superlattice crystal, be in two resonator mirrors, to place 2 optical superlattice crystal in the middle of the light path.
4. can export red, green, blue three-primary colours laser simultaneously by claim 1 is described, it is characterized in that: described in two resonator mirrors or outside order lay 1-3 piece optical superlattice crystal, be in two resonator mirrors, to place 3 optical superlattice crystal in the middle of the light path.
5. can export red, green, blue three-primary colours laser simultaneously by claim 1 is described, it is characterized in that: described in two resonator mirrors or outside lay 1-3 piece optical superlattice crystal, be in two resonator mirrors, to lay 1 optical superlattice crystal; Place 1 or 2 optical superlattice crystal with rear at the output resonator mirror.
6. can export red, green, blue three-primary colours laser simultaneously by claim 1 is described, it is characterized in that: described in two resonator mirrors or outside lay 1-3 piece optical superlattice crystal, be to settle a total reflective mirror and settle another piece completely reflecting mirror in 11 orientation, next door of output chamber mirror in 10 orientation, next door of first resonator mirror.
7. can export laser red, green, blue three-primary colours simultaneously according to claims 1 are described, its described optical superlattice crystal comprises period polarized lithium tantalate, lithium columbate crystal, potassium titanyl oxygenic phosphate(KTP) crystal and period polarized nonlinear optical crystal.
8. claims 1 are described can export laser red, green, blue three-primary colours simultaneously, it is characterized in that: the polarization cycle of described period polarized optical superlattice crystal changes in the 1-50 micrometer range.
9. can export laser red, green, blue three-primary colours simultaneously according to claims 1 are described, its feature comprises that also described optical superlattice crystal is placed on the device of a temperature control and temperature adjustment.
10. can export laser red, green, blue three-primary colours simultaneously according to claims 1 are described, it is characterized in that: described pump light is continuous light, the pulsed light of wavelength in the 400-1200 nanometer range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98206499 CN2362212Y (en) | 1998-07-08 | 1998-07-08 | Laser capable of concurrently outputting red, green and blue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98206499 CN2362212Y (en) | 1998-07-08 | 1998-07-08 | Laser capable of concurrently outputting red, green and blue |
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| Publication Number | Publication Date |
|---|---|
| CN2362212Y true CN2362212Y (en) | 2000-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98206499 Expired - Fee Related CN2362212Y (en) | 1998-07-08 | 1998-07-08 | Laser capable of concurrently outputting red, green and blue |
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| Country | Link |
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| CN (1) | CN2362212Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6714569B2 (en) | 2001-01-05 | 2004-03-30 | Nanjing University | Design of optical superlattice to realize third-harmonic generation and multi-wavelength laser output and its application in the all-solid state laser |
-
1998
- 1998-07-08 CN CN 98206499 patent/CN2362212Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6714569B2 (en) | 2001-01-05 | 2004-03-30 | Nanjing University | Design of optical superlattice to realize third-harmonic generation and multi-wavelength laser output and its application in the all-solid state laser |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |