CN104297927A - Laser diode array light source module set - Google Patents
Laser diode array light source module set Download PDFInfo
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- CN104297927A CN104297927A CN201410515582.7A CN201410515582A CN104297927A CN 104297927 A CN104297927 A CN 104297927A CN 201410515582 A CN201410515582 A CN 201410515582A CN 104297927 A CN104297927 A CN 104297927A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
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Abstract
The invention relates to the technical field of lasers, and discloses a laser diode array light source module set. The problems that in the traditional technology, lasers emitted by a light source module set are small in energy density and large in occupied area are solved. The module set comprises a first light source module, a second light source module, a third light source module, isosceles right-angle reflecting prisms and a light beam receiving face, the three light source modules are distributed in a three-face annular surrounding mode in space, and a uniform light emitting opening of the three light source modules is formed in the side, without the light source modules, of the light source module set. The first light source module and the third light source module are arranged oppositely in space, and emitted laser beams irradiate the two edge faces of each isosceles right-angle reflecting prism respectively, and are emitted to form two sets of parallel and non-coincident reflecting light. Laser beams emitted by the second light source module are direct light and directly irradiate the light beam receiving face, and the direct light and the reflecting light are parallel and not coincident. The laser diode array light source module set is suitable for high-power laser sources.
Description
Technical field
The present invention relates to laser technology field, be specifically related to a kind of diode laser matrix light source module.
Background technology
LASER Light Source, due to characteristics such as its high brightness, high directivity and high monochromaticities, is more and more subject to the favor of each application.In display industries, the applications such as such as TV, projection and stage lighting, the use of the laser diode light source of high-power, small size is more and more general.But, due to the restriction of semiconductor fabrication process level and material self character, the luminous power of single laser diode of current large-scale industrialized production is also relatively little: the luminous power of general blue light diode can accomplish the magnitude of several watts, the luminous power of red laser diode also can accomplish more than watt level substantially, but the luminous power of green laser diode generally also just only has the level of tens to hundred milliwatt magnitudes, single the green laser diode wanting to obtain watt level is also very difficult.Therefore, those are needed to the application of the even higher luminous power semiconductor laser light resource of hectowatt in use tens, need to meet various industry needs by the design of certain moduli group.
In current industry in the occasion of LASER Light Source that will use more than tens watts, common practice is that laser diode is carried out array arrangement.In the research process of the light source modular structure adopted in actual product, discovery typically employed by the arrangement of diode laser matrix one side, the mode of surface-emission laser bundle is adopted to replace a transmitting, obtain the laser beam of higher laser energy density, another kind of conventional mode is employing two light source modules, each module all there is the diode laser matrix of two dimension arrangement, the plane mirror adopting inclined-plane to install deflects the light beam that one of them module sends, then converge with the light facing injection directly, utilize and close the laser beam that light makes whole light source module outgoing more high-energy-density.But, the laser energy density that the light source module obtained by this kind of method is sent also has the space promoted, simultaneously, the overall volume of this kind of light source module group unit is larger, the size greatly depending on light source module during later stage complete machine structure size design will be caused, make structural design machine volume out comparatively large, not only affect the attractive in appearance of product and also inconvenience is brought to actual product production technology.
Summary of the invention
Technical matters to be solved by this invention is: propose a kind of diode laser matrix light source module, solves the laser energy density that in conventional art, light source module sends little, shared bulky problem.
The present invention solves the problems of the technologies described above adopted technical scheme:
A kind of diode laser matrix light source module, comprise the first light source module, secondary light source module, the 3rd light source module, isosceles right-angle reflecting prism and beam reception face, wherein, first light source module, secondary light source module and the 3rd light source module spatially adopt three ring-type enclosed arrangement modes, and the side of not installing light source module in described light source module is the unified light-emitting window of three groups of light source modules; Described first light source module and the 3rd light source module are spatially arranged in opposite directions, the laser beam sent is irradiated on two central planes of isosceles right-angle reflecting prism respectively, form two groups of parallel to each other and reflected light do not overlapped after reflection, reflected light is radiated on beam reception face and forms hot spot; The laser beam that described secondary light source module sends is direct light, direct light to be directly radiated on beam reception face through the gap isosceles right-angle reflecting prism and to form hot spot, and the hot spot formed by direct light is parallel to each other with the position of hot spot on beam reception face formed by reflected light and do not overlap.
Concrete, described direct light and reflected light spatially spacing are equal, and the hot spot that they are formed on beam reception face is filled mutually and evenly arranges.
Concrete, described first light source module, secondary light source module, the 3rd light source module are distributed with the laser diode of strip array arrangement, laser diode number on three light source modules is equal and laser diode number on each is equal, and the dead ahead of each laser diode is installed with a focusing lenslet corresponding with it.
Concrete, the number of described isosceles right-angle reflecting prism is equal with the laser diode number on the first light source module, secondary light source module, the 3rd light source module, and distributing position to meet on the first light source module, the 3rd light source module laser beam that corresponding laser diode sends on two central planes being irradiated to isosceles right-angle reflecting prism after the reflected light that formed parallel and do not overlap, the laser beam that the laser diode in secondary light source module sends can through the space direct irradiation between isosceles right-angle reflecting prism on beam reception face.
Concrete, described beam reception face is condenser lens or plane mirror.
Concrete, a right angle central plane of described isosceles right-angle reflecting prism is coated with the highly reflecting films that the optical maser wavelength that sends with the laser diode on the first light source module matches, and another right angle central plane is coated with the highly reflecting films that the optical maser wavelength that sends with the laser diode on the 3rd light source module matches.
Concrete, the laser diode of same model that described first light source module, secondary light source module and the 3rd light source module are arranged sends the laser beam of different wave length with the laser diode of the laser beam or arrangement different model that send wavelength of the same race, and all laser diode models in single source module are all identical and send the laser beam of phase co-wavelength.
Concrete, described first light source module, secondary light source module and the 3rd light source module use continuous direct current signal to drive or user's wave pulse signal drives.
Concrete, described first light source module, secondary light source module and the 3rd light source module use a same power module to carry out unified driving or use different electrical power module to carry out Timing driver.
The invention has the beneficial effects as follows: in diode laser matrix light source module of the present invention, adopt three laser light source modules of arranging, by isosceles right-angle reflecting prism, the laser beam that the light source module that opposition is placed sends is carried out normal deflection, penetrating light and reflected light unification, from the mode of fourth face outgoing, can produce the laser beam of high-energy-density very effectively; Meanwhile, three arrangement light source modules and the design of isosceles right-angle reflecting prism ensure that whole light source modular volume is succinctly small and exquisite, effectively reduce later stage complete machine structure design difficulty; By the driving design to this light source module, the application in the field that the monochromatic laser beam that can realize high brightness exports, also may be used for three look laser beam applications.
Accompanying drawing explanation
Fig. 1 is diode laser matrix light source module schematic diagram in the embodiment of the present invention;
Fig. 2 is diode laser matrix light source module medium waist right-angle reflecting prism schematic diagram;
Wherein, 1 is the laser beam that the first light source module is launched, and 2 is the laser beam that the 3rd light source module is launched, and 3 is the isosceles right triangle xsect of isosceles right-angle reflecting prism.
Fig. 3 is the type of drive waveform schematic diagram of three light source modules in the present invention;
Fig. 4 is another type of drive waveform schematic diagram of three light source modules in the present invention;
Wherein V
1, V
2and V
3correspond respectively to the pulse signal be applied on the first light source module, secondary light source module and the 3rd light source module.
Embodiment
The present invention is intended to propose a kind of diode laser matrix light source module, solves the laser energy density that in conventional art, light source module sends little, shared bulky problem.The present invention, by three arrangement diode laser matrix light source modules, utilizes isosceles right-angle reflecting prism to realize the deflection of opposite laser beam reflection, can realize the object that small-volume light source module produces high energy density laser bundle.Three light source modules both can unify the laser beam controlling transmitting same color, also independently can control the laser beam of launching different colours.
Below in conjunction with drawings and Examples, the solution of the present invention is further described:
See Fig. 1, diode laser matrix light source module in this example comprises the first light source module 100, secondary light source module 200, the 3rd light source module 300, isosceles right-angle reflecting prism 401 ~ 404 and beam reception face 500, first light source module 100 and the 3rd light source module 300 adopts locus opposition to arrange.
Above-mentioned first light source module 100 is provided with the laser diode 101 of some strip array arrangements, the useful corresponding with it focusing lenslet 102 of the dead ahead fixed installation of every laser diode 101, in like manner, secondary light source module 200 and the 3rd light source module 300 are respectively provided with the laser diode 201 and 301 of some strip array arrangements, every laser diode 201 and 301 dead ahead is all installed with focusing lenslet 202 and 302 corresponding with it.
The laser beam that laser diode 101 on first light source module 100 is launched is after lenticule 102 focuses on, be irradiated on a central plane 411 of isosceles right-angle reflecting prism 401, form the first reflected light after reflection and be irradiated to beam reception face 500, the laser beam that laser diode 301 on 3rd light source module 300 sends is after lenticule 302 focuses on, be irradiated on another central plane 421 of isosceles right-angle reflecting prism 401, form the second reflected light after reflection and be irradiated to beam reception face 500, the laser beam that laser diode 201 in secondary light source module 200 sends is after lenticule 202 focuses on, light beam forms direct light through the gap isosceles right-angle reflecting prism 401 ~ 404 and is irradiated to beam reception face 500.First reflected light, the second reflected light and direct light are parallel to each other, and the facula position formed on beam reception face 500 is filled mutually, unified the concentrating on of the laser beam sent by the light source module that in light source module, three are placed by this mode is placed on the beam reception face 500 of fourth face, makes the Output of laser energy density of the diode laser matrix light source module finally obtained higher.Meanwhile, ensure that whole light source modular volume is succinctly small and exquisite owing to have employed three circulating type light source module designs, effectively reduce later stage complete machine structure design difficulty.
Fig. 2 schematic depiction has gone out contour structures and the laser beam irradiation effect of isosceles right-angle reflecting prism 401 in the embodiment of the present invention.When light source module works, with the laser beam 1 that isosceles right-angle reflecting prism 401 central plane 411 sends for a certain row laser diode reflected on the first light source module 100, angle between the normal direction of laser beam 1 and central plane 411 is 45 °, incident direction and the exit direction of laser beam 1 be 90 degree vertical; The laser beam 2 that another central plane 421 of prism sends for a certain row laser diode reflected on the 3rd light source module 300, the angle between the normal direction of laser beam 2 and central plane 421 is 45 °, incident direction and the exit direction of laser beam 2 be 90 ° vertical.The laser beam 1 of thus launching in opposite directions and the parallel to each other and outgoing in the same way of laser beam 2, beam reception face 500 forms laser facula.
Above-mentioned isosceles right-angle reflecting prism is made up of the optical glass of one piece of bubble-free and impurity, two central planes need to carry out sanding and polishing respectively, to use the special highly reflecting films of process deposits one deck laser of evaporation, evaporation or sputtering, the material of high reverse--bias rete is generally the metal such as aluminium, gold, also can be composite oxide film material.In order to improve laser reflectivity, reduce absorptivity and increase laser damage threshold, the emission wavelength of the material of this reflectance coating and thicknesses of layers and laser diode has correlativity, is as the criterion can obtain optimum reflectivity and to form standing-wave condition in reality.
In patent Example of the present invention, the driving power of laser light source module adopts separation design, and each light source module all independently controls.With reference to Fig. 3, illustrate a kind of drive singal embodiment of three light source modules in the embodiment of the present invention.Under the drive singal that the present embodiment describes, the laser diode model on three light source modules is generally identical, launches the laser beam of phase co-wavelength, meanwhile, is applied to the pulse amplitude V of three light source modules
1, V
2and V
3equal.By this drive singal mode, three groups of light source modules are lighted outgoing laser beam simultaneously, through the light source module implementation method that the present invention describes, the outgoing laser beam of three groups of light source modules can be received on beam reception face simultaneously, thus the laser energy drastically increased on the receiving surface, be convenient to rear end and carry out optical processing.
With reference to Fig. 4, illustrate the another kind of time series pulse signals of three light source modules in the embodiment of the present invention and drive embodiment.Under the drive singal that the present embodiment describes, the laser diode model that three light source modules are arranged is generally different, be the laser diode of red, green, blue three look under normal circumstances, also can identical and the 3rd difference of laser diode wherein on two light source modules, but, the laser diode of model of the same race that a light source module can only be arranged.Three light source modules during the laser diode of different model of arranging, be applied to the drive signal impulse amplitude V of three light source modules
1, V
2and V
3generally unequal, and for the light source module of arrangement same model laser diode, the driving pulse amplitude of applying is equal.In that driving mode, a kind of embodiment is also had to be Tricolor LED of arranging on light source module.By time sequential pulse drive singal, whole light source module only has a light source module luminescence in a certain special time period, export a kind of laser beam of color, and another light source module is luminous in the next time period, export the laser beam of another kind of color, by the sequential control of driving pulse, three kinds of color conversion that three light source modules export can be realized easily.
Laser diode light source module provided by the invention have employed three light source module three surface-emission lasers, the deflection to the laser beam that opposite light source module sends is completed by the isosceles right-angle reflecting prism of design, the reflected light formed and through the laser beam in gap prism parallel to each other and locations complementary fill mutually, beam reception face can obtain the laser of high-energy-density, so that the later stage carries out optical processing and practical application.Uniform pulse and time sequential pulse driving design have greatly widened the range of application of the present invention in actual product simultaneously.
For the present invention, three light source modules are not limited only to array arrangement laser diode, high brightness LED of also can arranging; The laser diode that single source module is arranged is identical and launch the light beam of Same Wavelength, and the light beam that the diode laser matrix between first, second, third light source module can launch Same Wavelength also can launch the light beam of different wave length.
Therefore, the claimed scheme of the present invention comprises but is not limited only to above-described embodiment, and the equivalent replacement/amendment done by those skilled in the art describe according to above-described embodiment, all in protection scope of the present invention.
Claims (9)
1. a diode laser matrix light source module, it is characterized in that, comprise the first light source module (100), secondary light source module (200), the 3rd light source module (300), isosceles right-angle reflecting prism (401,402,403,404) and beam reception face (500), wherein, first light source module (100), secondary light source module (200) and the 3rd light source module (300) spatially adopt three ring-type enclosed arrangement modes, and the side of not installing light source module in described light source module is the unified light-emitting window of three groups of light source modules; Described first light source module (100) and the 3rd light source module (300) are spatially arranged in opposite directions, the laser beam sent is irradiated on two central planes of isosceles right-angle reflecting prism (401,402,403,404) respectively, form two groups of parallel to each other and reflected light do not overlapped after reflection, reflected light is radiated on beam reception face (500) and forms hot spot; The laser beam that described secondary light source module (200) sends is direct light, direct light is directly radiated at beam reception face (500) through the gap isosceles right-angle reflecting prism (401,402,403,404) and goes up and form hot spot, and the hot spot formed by direct light is parallel to each other with the position of the hot spot formed by reflected light on beam reception face (500) and do not overlap.
2. a kind of diode laser matrix light source module as claimed in claim 1, it is characterized in that, described direct light and reflected light spatially spacing are equal, and they are filled mutually at beam reception face (500) upper hot spot formed and evenly arrange.
3. a kind of diode laser matrix light source module as claimed in claim 1, it is characterized in that, described first light source module (100), secondary light source module (200), the 3rd light source module (300) are distributed with the laser diode (101,201,301) of strip array arrangement, laser diode number on three light source modules is equal and laser diode number on each is equal, and the dead ahead of each laser diode (101,201,301) is installed with a focusing lenslet (102,202,302) corresponding with it.
4. a kind of diode laser matrix light source module as claimed in claim 1, it is characterized in that, described isosceles right-angle reflecting prism (401, 402, 403, 404) number and the first light source module (100), secondary light source module (200), laser diode number on 3rd light source module (300) is equal, and distributing position meets the first light source module (100), the upper corresponding laser diode (101 of 3rd light source module (300), 301) laser beam sent is being irradiated to isosceles right-angle reflecting prism (401, 402, 403, 404) reflected light formed after on two central planes is parallel and do not overlap, the laser beam that laser diode (201) in secondary light source module (200) sends can through isosceles right-angle reflecting prism (401, 402, 403, 404) the space direct irradiation between is on beam reception face (500).
5. a kind of diode laser matrix light source module as claimed in claim 1, is characterized in that, described beam reception face (500) is condenser lens or plane mirror.
6. a kind of diode laser matrix light source module as claimed in claim 1, it is characterized in that, a right angle central plane of described isosceles right-angle reflecting prism (401,402,403,404) is coated with the highly reflecting films that the optical maser wavelength that sends with the laser diode (101) on the first light source module (100) matches, and another right angle central plane is coated with the highly reflecting films that the optical maser wavelength that sends with the laser diode (301) on the 3rd light source module (300) matches.
7. a kind of diode laser matrix light source module as claimed in claim 1, it is characterized in that, the laser diode of described first light source module (100), secondary light source module (200) and the 3rd light source module (300) upper arrangement same model sends the laser beam of different wave length with the laser diode of the laser beam or arrangement different model that send wavelength of the same race, and all laser diode models in single source module are all identical and send the laser beam of phase co-wavelength.
8. a kind of diode laser matrix light source module as claimed in claim 1, it is characterized in that, described first light source module (100), secondary light source module (200) and the 3rd light source module (300) use continuous direct current signal to drive or user's wave pulse signal drives.
9. a kind of diode laser matrix light source module as claimed in claim 1, it is characterized in that, described first light source module (100), secondary light source module (200) and the 3rd light source module (300) use a same power module to carry out unified driving or use different electrical power module to carry out Timing driver.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410515582.7A CN104297927A (en) | 2014-09-29 | 2014-09-29 | Laser diode array light source module set |
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|---|---|---|---|
| CN201410515582.7A CN104297927A (en) | 2014-09-29 | 2014-09-29 | Laser diode array light source module set |
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| CN104297927A true CN104297927A (en) | 2015-01-21 |
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ID=52317720
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| CN201410515582.7A Pending CN104297927A (en) | 2014-09-29 | 2014-09-29 | Laser diode array light source module set |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098600A (en) * | 2015-08-26 | 2015-11-25 | 四川长虹电器股份有限公司 | Laser light source module |
| CN107666111A (en) * | 2016-07-27 | 2018-02-06 | 富士施乐株式会社 | Laser module and laser generator |
| CN107678239A (en) * | 2017-11-23 | 2018-02-09 | 四川长虹电器股份有限公司 | A kind of array laser light source module group |
| CN110706473A (en) * | 2019-09-06 | 2020-01-17 | 南京工程学院 | Gas data acquisition device and data acquisition method based on single-wavelength reflection |
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| US20090303446A1 (en) * | 2008-06-06 | 2009-12-10 | Sanyo Electric Co., Ltd. | Light combining method, illumination device, and projection display device |
| CN102297389A (en) * | 2011-05-16 | 2011-12-28 | 深圳市光峰光电技术有限公司 | Laser array composite light module |
| CN203217229U (en) * | 2013-03-01 | 2013-09-25 | 深圳市绎立锐光科技开发有限公司 | Light-emitting device and projection system |
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Patent Citations (4)
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| CN100390599C (en) * | 1998-06-05 | 2008-05-28 | 精工爱普生株式会社 | Light source and display device |
| US20090303446A1 (en) * | 2008-06-06 | 2009-12-10 | Sanyo Electric Co., Ltd. | Light combining method, illumination device, and projection display device |
| CN102297389A (en) * | 2011-05-16 | 2011-12-28 | 深圳市光峰光电技术有限公司 | Laser array composite light module |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098600A (en) * | 2015-08-26 | 2015-11-25 | 四川长虹电器股份有限公司 | Laser light source module |
| CN107666111A (en) * | 2016-07-27 | 2018-02-06 | 富士施乐株式会社 | Laser module and laser generator |
| CN107666111B (en) * | 2016-07-27 | 2021-07-09 | 富士胶片商业创新有限公司 | Laser module and laser generating device |
| CN107678239A (en) * | 2017-11-23 | 2018-02-09 | 四川长虹电器股份有限公司 | A kind of array laser light source module group |
| CN110706473A (en) * | 2019-09-06 | 2020-01-17 | 南京工程学院 | Gas data acquisition device and data acquisition method based on single-wavelength reflection |
| CN110706473B (en) * | 2019-09-06 | 2021-06-11 | 南京工程学院 | Gas data acquisition device and data acquisition method based on single-wavelength reflection |
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