CN101846806A - Light spot shaping and homogenization method and laser infrared lighter - Google Patents
Light spot shaping and homogenization method and laser infrared lighter Download PDFInfo
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- CN101846806A CN101846806A CN201010144169A CN201010144169A CN101846806A CN 101846806 A CN101846806 A CN 101846806A CN 201010144169 A CN201010144169 A CN 201010144169A CN 201010144169 A CN201010144169 A CN 201010144169A CN 101846806 A CN101846806 A CN 101846806A
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Abstract
The invention provides a light spot shaping and homogenization method and a laser infrared lighter; and the method comprises the following steps that: a light beam is shaped and homogenized by a conical mirror. In the embodiment of the invention, the conical mirror can shape and homogenize the light beam by light spot mixing and overlaying. Compared with traditional homogenization methods, the invention obtains better homogenization effect. In addition, the conical mirror can be a cone or a pyramid, and selection methods are quite diversified.
Description
Technical field
The invention belongs to lighting field, relate in particular to a kind of method and laser infrared illuminator of spot shaping homogenize.
Background technology
Along with the enhancing of people's awareness of safety, night vision technology has progressively entered people's life with its distinctive advantage.Characteristics such as illumination distances is far away because laser illuminator has, good concealment, structural design optimization, life of product is long, low in energy consumption, Product Safety is good, kind is abundant are subjected to extensive welcome.Laser illuminator can be used with thermal camera, black-white CCD video camera or lll night vision equipment, forms the night vision supervisory system, realizes 24 hours continuous safety monitorings, and this makes it become the optimal selection of remote safety defense monitoring system night vision illumination equipment.
Laser illuminator is mainly used in the video monitoring at night.In a lot of fields, obtained widespread use, as the borderland coast defence, defence engineering, night vision operational detection, important military installations, military organs, camp, occasions such as night vision operational commanding; Places such as public security, the administration of justice, prison, oil field, engineering construction, forest, maritime affairs, customs, harbour, railway, airport; Places such as civilian sub-district, street; Replace traditional infrared lamp, become the night vision infrared illuminator of function admirable.
In the laser infrared illuminator, light beam of light source is an Elliptical Gaussian Beam, and the vertical divergence angle of light beam is bigger, and its transverse field makes hot spot extremely inhomogeneous owing to the existence that high-order mode is arranged is some strips.In to the higher illuminator of illumination light spot uniformity requirement, this becomes the main bottleneck of restriction laser illuminator practical application.
In order to obtain uniform illuminating effect, must carry out the shaping homogenize to the output facula of laser illuminator.Consult Fig. 1, show the current homogenize mode that generally adopts, (Laser Diode, LD) Shu Chu light beam collimates (emission angle that just changes light beam), thereby changes the size of illumination hot spot on different illumination distances promptly to adopt the biconvex lens noise spectra of semiconductor lasers.Because this optical system is just simply adjusted beam divergence angle, the unevenness of LD light beam existence itself makes in the hot spot that obtains like this, the unevenness of hot spot will occur.Therefore, when adopting the homogenize mode of prior art, the homogenize effect is relatively poor.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of method of spot shaping homogenize, when being intended to solve the homogenize mode that adopts prior art, and the problem that the homogenize effect is relatively poor.
The embodiment of the invention is achieved in that a kind of method of spot shaping homogenize, and described method comprises: utilize conical mirror that light beam is carried out the shaping homogenize.
Further, described conical mirror is a circular cone.
Further, the pyramid of described conical mirror for constituting by N inclined-plane, described N is the integer more than 4.
Further, be under the situation of rectangular pyramid at described conical mirror:
When illumination length was 50-75 rice, the scope of rectangular pyramid axial length was the 1.50-1.80 millimeter, and the scope of semi-cone angle is the 77.36-79.42 degree;
When illumination length was 75-85 rice, the scope of rectangular pyramid axial length was the 1.32-1.50 millimeter, and the scope of semi-cone angle is the 79.42-80.67 degree;
When illumination length was 85-95 rice, the scope of rectangular pyramid axial length was the 1.22-1.32 millimeter, and the scope of semi-cone angle is the 80.67-81.37 degree;
When illumination length was 95-105 rice, the scope of rectangular pyramid axial length was the 1.09-1.22 millimeter, and the scope of semi-cone angle is the 81.37-82.28 degree;
When illumination length was 105-115 rice, the scope of rectangular pyramid axial length was the 1.00-1.09 millimeter, and the scope of semi-cone angle is the 82.28-82.92 degree;
When illumination length was 115-125 rice, the scope of rectangular pyramid axial length was the 0.90-1.00 millimeter, and the scope of semi-cone angle is the 82.92-83.62 degree;
When illumination length was 125-135 rice, the scope of rectangular pyramid axial length was the 0.82-0.90 millimeter, and the scope of semi-cone angle is the 83.62-84.19 degree;
When illumination length was 135-145 rice, the scope of rectangular pyramid axial length was the 0.77-0.82 millimeter, and the scope of semi-cone angle is the 84.19-84.55 degree;
When illumination length was 145-155 rice, the scope of rectangular pyramid axial length was the 0.71-0.77 millimeter, and the scope of semi-cone angle is the 84.55-84.97 degree;
When illumination length was 155-165 rice, the scope of rectangular pyramid axial length was the 0.68-0.71 millimeter, and the scope of semi-cone angle is the 84.97-85.18 degree;
When illumination length was 165-175 rice, the scope of rectangular pyramid axial length was the 0.63-0.68 millimeter, and the scope of semi-cone angle is the 85.18-85.54 degree;
When illumination length was 175-185 rice, the scope of rectangular pyramid axial length was the 0.60-0.63 millimeter, and the scope of semi-cone angle is the 85.54-85.75 degree;
When illumination length was 185-195 rice, the scope of rectangular pyramid axial length was the 0.57-0.60 millimeter, and the scope of semi-cone angle is the 85.75-85.97 degree;
When illumination length was 195-205 rice, the scope of rectangular pyramid axial length was the 0.53-0.57 millimeter, and the scope of semi-cone angle is the 85.97-86.25 degree;
When illumination length was 205-300 rice, the scope of rectangular pyramid axial length was the 0.33-0.53 millimeter, and the scope of semi-cone angle is the 86.25-87.68 degree.
Further, before being carried out the shaping homogenize, light beam also comprises step at the described conical mirror that utilizes: utilize lens to change the emission angle of light beam.
Another purpose of the embodiment of the invention is to provide a kind of laser infrared illuminator, comprise shell, circuit board, described laser infrared illuminator also comprises the optical system of spot shaping homogenize, and described optical system comprises light source, described light source is semiconductor laser LD, and described system also comprises:
Conical mirror carries out the shaping homogenize to light beam.
Further, also be provided with lens between described light source and conical mirror, described lens change the emission angle of light beam.
Further, described laser infrared illuminator also comprises the lens mount of fixed lens, the fixedly taper microscope base of conical mirror, and the LD seat of fixing described LD.
Further, described conical mirror is circular cone or the pyramid that is made of N inclined-plane, and described N is the integer more than 4.
Further, be under the situation of rectangular pyramid at described conical mirror:
When illumination length was 50-75 rice, the scope of rectangular pyramid axial length was the 1.50-1.80 millimeter, and the scope of semi-cone angle is the 77.36-79.42 degree;
When illumination length was 75-85 rice, the scope of rectangular pyramid axial length was the 1.32-1.50 millimeter, and the scope of semi-cone angle is the 79.42-80.67 degree;
When illumination length was 85-95 rice, the scope of rectangular pyramid axial length was the 1.22-1.32 millimeter, and the scope of semi-cone angle is the 80.67-81.37 degree;
When illumination length was 95-105 rice, the scope of rectangular pyramid axial length was the 1.09-1.22 millimeter, and the scope of semi-cone angle is the 81.37-82.28 degree;
When illumination length was 105-115 rice, the scope of rectangular pyramid axial length was the 1.00-1.09 millimeter, and the scope of semi-cone angle is the 82.28-82.92 degree;
When illumination length was 115-125 rice, the scope of rectangular pyramid axial length was the 0.90-1.00 millimeter, and the scope of semi-cone angle is the 82.92-83.62 degree;
When illumination length was 125-135 rice, the scope of rectangular pyramid axial length was the 0.82-0.90 millimeter, and the scope of semi-cone angle is the 83.62-84.19 degree;
When illumination length was 135-145 rice, the scope of rectangular pyramid axial length was the 0.77-0.82 millimeter, and the scope of semi-cone angle is the 84.19-84.55 degree;
When illumination length was 145-155 rice, the scope of rectangular pyramid axial length was the 0.71-0.77 millimeter, and the scope of semi-cone angle is the 84.55-84.97 degree;
When illumination length was 155-165 rice, the scope of rectangular pyramid axial length was the 0.68-0.71 millimeter, and the scope of semi-cone angle is the 84.97-85.18 degree;
When illumination length was 165-175 rice, the scope of rectangular pyramid axial length was the 0.63-0.68 millimeter, and the scope of semi-cone angle is the 85.18-85.54 degree;
When illumination length was 175-185 rice, the scope of rectangular pyramid axial length was the 0.60-0.63 millimeter, and the scope of semi-cone angle is the 85.54-85.75 degree;
When illumination length was 185-195 rice, the scope of rectangular pyramid axial length was the 0.57-0.60 millimeter, and the scope of semi-cone angle is the 85.75-85.97 degree;
When illumination length was 195-205 rice, the scope of rectangular pyramid axial length was the 0.53-0.57 millimeter, and the scope of semi-cone angle is the 85.97-86.25 degree;
When illumination length was 205-300 rice, the scope of rectangular pyramid axial length was the 0.33-0.53 millimeter, and the scope of semi-cone angle is the 86.25-87.68 degree.
In an embodiment of the present invention, utilize conical mirror,, can carry out the shaping homogenize light beam by the mode that hot spot mixes stack.Compare existing homogenize mode, obtain better homogenize effect.And conical mirror can be circular cone or pyramid, and selection mode is variation.When especially adopting rectangular pyramid as conical mirror, the homogenize effect is also better, and light spot shape is also preferable.
Description of drawings
Fig. 1 is the enforcement synoptic diagram of the spot shaping homogenizing method that provides of prior art;
Fig. 2 is the enforcement synoptic diagram of the method for the spot shaping homogenize that provides of the embodiment of the invention;
Fig. 3 is the synoptic diagram that concerns between the conical mirror axial length that provides of the embodiment of the invention and the illumination distances;
Fig. 4 is the synoptic diagram that concerns between the conical mirror semi-cone angle that provides of the embodiment of the invention and the illumination distances;
Fig. 5 is the structural representation of the laser infrared illuminator that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 2 shows the spot shaping homogenizing method that the embodiment of the invention provides, and this method comprises utilizes conical mirror that the light beam that light source penetrates is carried out the shaping homogenize.
In order to obtain better homogenize effect, as embodiments of the invention, between this light source and conical mirror, also be provided with lens, utilize lens to change the emission angle of light beam.When adopting biconvex lens, homogenize has better effect.
To adopt biconvex lens is example, and its homogenize process is: when Gaussian beam that light source sends, pass through biconvex lens, this biconvex lens changes the emission angle of light beam, during by conical mirror, this conical mirror carries out the shaping homogenize to the light beam of described biconvex lens output, makes hot spot reach the effect of homogenize.
As embodiments of the invention, the pyramid of this conical mirror for constituting by N inclined-plane, described N is the integer more than 4.Problem is an example with the rectangular pyramid (N=4) that is made of four inclined-planes for convenience of explanation, and the homogenize process of hot spot is described.When the light beam vertical irradiation was to the bottom surface of conical mirror, hot spot was divided into four parts, and was changed certain angle.If the semi-cone angle of conical mirror one side is α, then the light beam by this one side through the angle of divergence change amount behind this face is being:
δ＝(n-1)(π/2-α)
After Gaussian beam was passed through conical mirror, respectively to optical axis direction deflection δ, this also made and is positioned at the fringe region that near the high-energy light beam of optical axis has been diffused to hot spot by light beam on four sides.By selecting suitable awl conical mirror angle, make to be positioned at the light spot energy mutual superposition in low-yield district in four light beams, thereby reach the effect of hot spot homogenize.
As another embodiment of the present invention, this conical mirror can be circular cone.When Gaussian beam incided on the bottom surface of circular cone, light was after the refraction of bottom surface, by the side output of circular cone.When the semi-cone angle of conscope was β, in any xsect of circular cone, the angle that the light of optical axis both sides changes after the conscope refraction was respectively:
±δ′＝(n-1)(π/2-β)
After Gaussian beam was passed through conscope, the light beam in each xsect was respectively to optical axis direction deflection δ ', and this also makes and is positioned at the fringe region that near the high-energy light beam of optical axis has been diffused to hot spot.By selecting suitable conscope angle, make to be positioned at the light spot energy mutual superposition in low-yield district in the light beam, thereby reach the effect of hot spot homogenize.
When utilizing this method that hot spot is carried out the shaping homogenize, because conical mirror is to adopt the mode of hot spot mutual superposition that whole hot spot is carried out the shaping homogenize, so when specific illumination distances and spot size, the semi-cone angle of conical mirror is well-determined, just the corresponding a kind of conical mirror of illumination distances.
Consult Fig. 3, Fig. 4 shows the relation between conical mirror axial length, semi-cone angle and the illumination distances of (referring to rectangular pyramid here) respectively.According to Fig. 3, along with the increase of illumination distances, the axial length of conical mirror will reduce gradually as can be seen.According to Fig. 4, along with the increase of illumination distances, the semi-cone angle of conical mirror will increase gradually as can be seen.
According to the variation of illumination distances, can determine that the scope of the scope of rectangular pyramid axial length and semi-cone angle is as follows:
When illumination length was 50-75 rice, the scope of rectangular pyramid axial length was the 1.50-1.80 millimeter, and the scope of semi-cone angle is the 77.36-79.42 degree;
When illumination length was 75-85 rice, the scope of rectangular pyramid axial length was the 1.32-1.50 millimeter, and the scope of semi-cone angle is the 79.42-80.67 degree;
When illumination length was 85-95 rice, the scope of rectangular pyramid axial length was the 1.22-1.32 millimeter, and the scope of semi-cone angle is the 80.67-81.37 degree;
When illumination length was 95-105 rice, the scope of rectangular pyramid axial length was the 1.09-1.22 millimeter, and the scope of semi-cone angle is the 81.37-82.28 degree;
When illumination length was 105-115 rice, the scope of rectangular pyramid axial length was the 1.00-1.09 millimeter, and the scope of semi-cone angle is the 82.28-82.92 degree;
When illumination length was 115-125 rice, the scope of rectangular pyramid axial length was the 0.90-1.00 millimeter, and the scope of semi-cone angle is the 82.92-83.62 degree;
When illumination length was 125-135 rice, the scope of rectangular pyramid axial length was the 0.82-0.90 millimeter, and the scope of semi-cone angle is the 83.62-84.19 degree;
When illumination length was 135-145 rice, the scope of rectangular pyramid axial length was the 0.77-0.82 millimeter, and the scope of semi-cone angle is the 84.19-84.55 degree;
When illumination length was 145-155 rice, the scope of rectangular pyramid axial length was the 0.71-0.77 millimeter, and the scope of semi-cone angle is the 84.55-84.97 degree;
When illumination length was 155-165 rice, the scope of rectangular pyramid axial length was the 0.68-0.71 millimeter, and the scope of semi-cone angle is the 84.97-85.18 degree;
When illumination length was 165-175 rice, the scope of rectangular pyramid axial length was the 0.63-0.68 millimeter, and the scope of semi-cone angle is the 85.18-85.54 degree;
When illumination length was 175-185 rice, the scope of rectangular pyramid axial length was the 0.60-0.63 millimeter, and the scope of semi-cone angle is the 85.54-85.75 degree;
When illumination length was 185-195 rice, the scope of rectangular pyramid axial length was the 0.57-0.60 millimeter, and the scope of semi-cone angle is the 85.75-85.97 degree;
When illumination length was 195-205 rice, the scope of rectangular pyramid axial length was the 0.53-0.57 millimeter, and the scope of semi-cone angle is the 85.97-86.25 degree;
When illumination length was 205-300 rice, the scope of rectangular pyramid axial length was the 0.33-0.53 millimeter, and the scope of semi-cone angle is the 86.25-87.68 degree.
Consult Fig. 5, the structure of the laser infrared illuminator that provides for the embodiment of the invention, this laser infrared illuminator comprises shell 53, circuit board 52, bonnet 51, this laser infrared illuminator also is built-in with the optical system of spot shaping homogenize.This optical system comprises light source, and herein, this light source is semiconductor laser LD55.This optical system also comprises: conical mirror 59, carry out the shaping homogenize to the light beam of exporting.
In order to obtain better homogenize effect, as embodiments of the invention, between this light source and conical mirror, also be provided with lens 57, described lens 57 change the emission angle of light beam.When described lens 57 adopted biconvex lens, homogenize had better effect.
Implement purpose preferably for reaching, this laser infrared illuminator also comprises the lens mount 56 of fixed lens 57, the fixedly taper microscope base 58 of conical mirror 59, and the LD seat 54 of fixing described LD55.
In sum, in an embodiment of the present invention, utilize conical mirror,, can carry out the shaping homogenize light beam by the mode that hot spot mixes stack.Compare existing homogenize mode, obtain better homogenize effect.And conical mirror can be circular cone or pyramid, and selection mode is variation.When especially adopting rectangular pyramid as conical mirror, the homogenize effect is also better, and light spot shape is also preferable.And along with the increase of illumination distances, the axial distance of conical mirror will reduce, and semi-cone angle will increase.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for a spot shaping homogenize is characterized in that, described method comprises: utilize conical mirror that light beam is carried out the shaping homogenize.
2. method according to claim 1 is characterized in that, described conical mirror is a circular cone.
3. method according to claim 1 is characterized in that, the pyramid of described conical mirror for constituting by N inclined-plane, and described N is the integer more than 4.
4. method according to claim 3 is characterized in that, is under the situation of rectangular pyramid at described conical mirror:
When illumination length was 50-75 rice, the scope of rectangular pyramid axial length was the 1.50-1.80 millimeter, and the scope of semi-cone angle is the 77.36-79.42 degree;
When illumination length was 75-85 rice, the scope of rectangular pyramid axial length was the 1.32-1.50 millimeter, and the scope of semi-cone angle is the 79.42-80.67 degree;
When illumination length was 85-95 rice, the scope of rectangular pyramid axial length was the 1.22-1.32 millimeter, and the scope of semi-cone angle is the 80.67-81.37 degree;
When illumination length was 95-105 rice, the scope of rectangular pyramid axial length was the 1.09-1.22 millimeter, and the scope of semi-cone angle is the 81.37-82.28 degree;
When illumination length was 105-115 rice, the scope of rectangular pyramid axial length was the 1.00-1.09 millimeter, and the scope of semi-cone angle is the 82.28-82.92 degree;
When illumination length was 115-125 rice, the scope of rectangular pyramid axial length was the 0.90-1.00 millimeter, and the scope of semi-cone angle is the 82.92-83.62 degree;
When illumination length was 125-135 rice, the scope of rectangular pyramid axial length was the 0.82-0.90 millimeter, and the scope of semi-cone angle is the 83.62-84.19 degree;
When illumination length was 135-145 rice, the scope of rectangular pyramid axial length was the 0.77-0.82 millimeter, and the scope of semi-cone angle is the 84.19-84.55 degree;
When illumination length was 145-155 rice, the scope of rectangular pyramid axial length was the 0.71-0.77 millimeter, and the scope of semi-cone angle is the 84.55-84.97 degree;
When illumination length was 155-165 rice, the scope of rectangular pyramid axial length was the 0.68-0.71 millimeter, and the scope of semi-cone angle is the 84.97-85.18 degree;
When illumination length was 165-175 rice, the scope of rectangular pyramid axial length was the 0.63-0.68 millimeter, and the scope of semi-cone angle is the 85.18-85.54 degree;
When illumination length was 175-185 rice, the scope of rectangular pyramid axial length was the 0.60-0.63 millimeter, and the scope of semi-cone angle is the 85.54-85.75 degree;
When illumination length was 185-195 rice, the scope of rectangular pyramid axial length was the 0.57-0.60 millimeter, and the scope of semi-cone angle is the 85.75-85.97 degree;
When illumination length was 195-205 rice, the scope of rectangular pyramid axial length was the 0.53-0.57 millimeter, and the scope of semi-cone angle is the 85.97-86.25 degree;
When illumination length was 205-300 rice, the scope of rectangular pyramid axial length was the 0.33-0.53 millimeter, and the scope of semi-cone angle is the 86.25-87.68 degree.
5. method according to claim 1 is characterized in that, also comprises step at the described conical mirror that utilizes before light beam is carried out the shaping homogenize: utilize lens to change the emission angle of light beam.
6. a laser infrared illuminator comprises shell, circuit board, it is characterized in that, described laser infrared illuminator also comprises the optical system of spot shaping homogenize, and described optical system comprises light source, and described light source is semiconductor laser LD, and described system also comprises:
Conical mirror carries out the shaping homogenize to light beam.
7. laser infrared illuminator according to claim 6 is characterized in that, also is provided with lens between described light source and conical mirror, and described lens change the emission angle of light beam.
8. laser infrared illuminator according to claim 7 is characterized in that described laser infrared illuminator also comprises the lens mount of fixed lens, the fixedly taper microscope base of conical mirror, and the LD seat of fixing described LD.
9. laser infrared illuminator according to claim 6 is characterized in that, described conical mirror is circular cone or the pyramid that is made of N inclined-plane, and described N is the integer more than 4.
10. laser infrared illuminator according to claim 9 is characterized in that, is under the situation of rectangular pyramid at described conical mirror:
When illumination length was 50-75 rice, the scope of rectangular pyramid axial length was the 1.50-1.80 millimeter, and the scope of semi-cone angle is the 77.36-79.42 degree;
When illumination length was 75-85 rice, the scope of rectangular pyramid axial length was the 1.32-1.50 millimeter, and the scope of semi-cone angle is the 79.42-80.67 degree;
When illumination length was 85-95 rice, the scope of rectangular pyramid axial length was the 1.22-1.32 millimeter, and the scope of semi-cone angle is the 80.67-81.37 degree;
When illumination length was 95-105 rice, the scope of rectangular pyramid axial length was the 1.09-1.22 millimeter, and the scope of semi-cone angle is the 81.37-82.28 degree;
When illumination length was 105-115 rice, the scope of rectangular pyramid axial length was the 1.00-1.09 millimeter, and the scope of semi-cone angle is the 82.28-82.92 degree;
When illumination length was 115-125 rice, the scope of rectangular pyramid axial length was the 0.90-1.00 millimeter, and the scope of semi-cone angle is the 82.92-83.62 degree;
When illumination length was 125-135 rice, the scope of rectangular pyramid axial length was the 0.82-0.90 millimeter, and the scope of semi-cone angle is the 83.62-84.19 degree;
When illumination length was 135-145 rice, the scope of rectangular pyramid axial length was the 0.77-0.82 millimeter, and the scope of semi-cone angle is the 84.19-84.55 degree;
When illumination length was 145-155 rice, the scope of rectangular pyramid axial length was the 0.71-0.77 millimeter, and the scope of semi-cone angle is the 84.55-84.97 degree;
When illumination length was 155-165 rice, the scope of rectangular pyramid axial length was the 0.68-0.71 millimeter, and the scope of semi-cone angle is the 84.97-85.18 degree;
When illumination length was 165-175 rice, the scope of rectangular pyramid axial length was the 0.63-0.68 millimeter, and the scope of semi-cone angle is the 85.18-85.54 degree;
When illumination length was 175-185 rice, the scope of rectangular pyramid axial length was the 0.60-0.63 millimeter, and the scope of semi-cone angle is the 85.54-85.75 degree;
When illumination length was 185-195 rice, the scope of rectangular pyramid axial length was the 0.57-0.60 millimeter, and the scope of semi-cone angle is the 85.75-85.97 degree;
When illumination length was 195-205 rice, the scope of rectangular pyramid axial length was the 0.53-0.57 millimeter, and the scope of semi-cone angle is the 85.97-86.25 degree;
When illumination length was 205-300 rice, the scope of rectangular pyramid axial length was the 0.33-0.53 millimeter, and the scope of semi-cone angle is the 86.25-87.68 degree.
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| CN2010101441696A CN101846806B (en) | 2010-04-02 | 2010-04-02 | Light spot shaping and homogenization method and laser infrared lighter |
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| CN2010101441696A CN101846806B (en) | 2010-04-02 | 2010-04-02 | Light spot shaping and homogenization method and laser infrared lighter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107450187A (en) * | 2017-09-29 | 2017-12-08 | 福州腾景光电科技有限公司 | A kind of collimating and correcting device applied to big ellipse light spot |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527095A (en) * | 2003-09-19 | 2004-09-08 | 中国科学院上海光学精密机械研究所 | Laser energy distribution equalizer |
| JP2006154595A (en) * | 2004-12-01 | 2006-06-15 | Laserfront Technologies Inc | Imaging optical apparatus and laser repair apparatus |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527095A (en) * | 2003-09-19 | 2004-09-08 | 中国科学院上海光学精密机械研究所 | Laser energy distribution equalizer |
| JP2006154595A (en) * | 2004-12-01 | 2006-06-15 | Laserfront Technologies Inc | Imaging optical apparatus and laser repair apparatus |
Non-Patent Citations (2)
| Title |
|---|
| 《激光杂志》 20081231 林勇等 激光光束的整形技术 第2-3页 第29卷, 第6期 2 * |
| 《红外技术》 20060228 董明礼等 激光辅助照明主动红外成像研究 第92页 第28卷, 第2期 2 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107450187A (en) * | 2017-09-29 | 2017-12-08 | 福州腾景光电科技有限公司 | A kind of collimating and correcting device applied to big ellipse light spot |
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