CN208506379U - Infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques - Google Patents
Infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques Download PDFInfo
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- CN208506379U CN208506379U CN201821050841.3U CN201821050841U CN208506379U CN 208506379 U CN208506379 U CN 208506379U CN 201821050841 U CN201821050841 U CN 201821050841U CN 208506379 U CN208506379 U CN 208506379U
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- mixing rod
- optical mixing
- compensating lamp
- infrared laser
- light compensating
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Abstract
The utility model discloses a kind of infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques, including laser, the emergent ray of the laser were penetrated from an optical mixing rod, were projected after the light beam of optical mixing rod light mixing is by lens group zoom；The emergent ray of the laser is injected from an end face of optical mixing rod, by the other end directive lens group of optical mixing rod after the total reflection of the side of optical mixing rod.The utility model has the advantages that stable hot spot, noiseless and structure are simple, at low cost.
Description
Technical field
The utility model relates to Optical devices, and more particularly, to a kind of hot spot, stable, noiseless and structure are simple, at low cost
The infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques.
Background technique
In night infrared illumination light filling technology, traditional infrared LED Output optical power is limited, has been unable to meet middle long distance
From lighting demand, domestic and foreign manufacturers use infrared semiconductor laser to carry out light compensating lamp design as light source one after another.It is well known that
The defects of that there are optical power distributions is uneven for semiconductor laser, high coherence, in order to solve these problems, has attached in the market
Turn emergent light for homogenizing the modes noise spectra of semiconductor lasers such as piece, beam splitter and optical fiber of putting english is homogenized, specific to infrared
Light filling field considers, additional rotation homogenizes piece noise spectra of semiconductor lasers for cost, small product size, the efficiency of light energy utilization etc.
It is most widely used that emergent light carries out homogenized scheme.It is partly led although the scheme that rotation homogenizes piece can overcome to a certain extent
Body laser goes out optical defect, but due to the introducing of motor, and related light filling product inevitably has hot spot shaking, performance not
The defects of stable, noise is greatly and structure is complicated, seriously affects the overall effect and manufacturing cost of lighting apparatus.
Utility model content
It can solve existing laser light filling equipment to solve the above problems, the utility model aim is to provide one kind there are light
It is simple, at low cost to reach stable hot spot, noiseless and structure for the problem of spot shakes, performance is unstable, noise is big and structure is complicated
The infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques.
The utility model realized by following technical measures, a kind of infrared laser zoom based on optical mixing rod homogenisation techniques
The emergent ray of light compensating lamp, including laser, the laser was penetrated from an optical mixing rod, and the light beam through optical mixing rod light mixing passes through saturating
It is projected after microscope group zoom；The emergent ray of the laser is injected from an end face of optical mixing rod, the side total reflection through optical mixing rod
Afterwards by the other end directive lens group of optical mixing rod.
The biend of the optical mixing rod is plane as a preferred method,.
The cross section of the optical mixing rod is polygon or round or ellipse as a preferred method,.
The side in the cross section of the optical mixing rod is zigzag as a preferred method,.
The side surface of the optical mixing rod is equipped with reflective coating as a preferred method,.
The lens group is arranged by same optical axis as a preferred method, negative lens and positive lens groups at.
The negative lens group and positive lens groups that the lens group is arranged by same optical axis as a preferred method, form.
Two positive lens groups that the lens group is arranged by same optical axis as a preferred method, at.
The laser is semiconductor laser as a preferred method,.
The optical mixing rod is the hollow pipe that transparent solid bar or surface are coated with total reflection film as a preferred method,.
Optical mixing rod of the utility model due to using not noise carries out light mixing homogenizing to the emergent ray of laser,
Properties of product are optimized, optical mixing rod is designed and is made based on total reflection principle, and the emergent ray of laser is from light mixing
The different location of one end face of stick is refracted into optical mixing rod, into optical mixing rod in and with certain angle light in light mixing
The medial surface different location of stick generates total reflection, finally all by the other end of optical mixing rod through to lens group external exit；Light
Line is transmitted in optical mixing rod by " limitation ", is emitted eventually by the other end of optical mixing rod.The utility model has hot spot steady
Determine, the advantage that noiseless and structure are simple, at low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1.
Fig. 2 is the structural schematic diagram of the utility model embodiment 2.
Specific embodiment
Below with reference to embodiment and compares attached drawing the utility model is described in further detail.
A kind of infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques of the present embodiment please refers to attached drawing 1 and figure
2, including laser 1, the emergent ray of the laser 1 penetrated from an optical mixing rod 2, the light beam through 2 light mixing of optical mixing rod passes through saturating
It is projected after microscope group zoom；The emergent ray of the laser 1 is injected from an end face of optical mixing rod 2, and the side through optical mixing rod 2 is all-trans
By the other end directive lens group of optical mixing rod 2 after penetrating.
It is equal to carry out light mixing to the emergent ray of laser 1 for optical mixing rod 2 of this laser light compensating lamp due to using not noise
Change, optimize properties of product, optical mixing rod 2 is designed and is made based on total reflection principle, the emergent ray of laser 1 from
The different location of one end face of optical mixing rod 2 is refracted into optical mixing rod 2, into optical mixing rod 2 in and with certain angle light
Line generates total reflection in the medial surface different location of optical mixing rod 2, finally all by the other end of optical mixing rod 2 through to outside lens group
Portion's outgoing；Light is transmitted in optical mixing rod 2 by " limitation ", is emitted eventually by the other end of optical mixing rod 2.Experimental verification,
The length of adjustment optical mixing rod 2 can make the Illumination Distribution on the outgoing end face of optical mixing rod uniform, and lamp guide is longer, homogenizes effect
Better.The refractive index of optical mixing rod 2 need to ensure laser 1 be emitted maximum angle light incidence enter optical mixing rod 2 after in inside
Face generates total reflection.
In the embodiment of an infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques, attached drawing 1 and Fig. 2 are please referred to,
In front specifically it is also possible that the biend of optical mixing rod 2 is plane on the basis of technical solution.
In the embodiment of an infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques, attached drawing 1 and Fig. 2 are please referred to,
In front specifically it is also possible that the cross section of optical mixing rod 2 is polygon or round or ellipse on the basis of technical solution.
In the embodiment of an infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques, attached drawing 1 and Fig. 2 are please referred to,
In front specifically it is also possible that the side in the cross section of the optical mixing rod 2 is zigzag, to make to enhance on the basis of technical solution
Its equal light effect.
In the embodiment of an infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques, attached drawing 1 and Fig. 2 are please referred to,
In front specifically it is also possible that the side surface of optical mixing rod 2 is equipped with reflective coating on the basis of technical solution.Optical mixing rod 2 is processed
After molding, since side has certain roughness, this can more or less cause the loss of light energy, and reflective coating can be true
It protects light to be conducted inside optical mixing rod 2, hoisting light mixing effect and the efficiency of light energy utilization.
In the embodiment of an infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques, attached drawing 1 and Fig. 2 are please referred to,
In front specifically it is also possible that laser 1 is semiconductor laser on the basis of technical solution.
In the embodiment of an infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques, attached drawing 1 and Fig. 2 are please referred to,
In front specifically it is also possible that optical mixing rod 2 is that transparent solid bar (such as glass bar) or surface are coated on the basis of technical solution
The hollow pipe of total reflection film.
It is the embodiment 1 of lens group structure with reference to attached drawing 1, in front specifically it is also possible that saturating on the basis of technical solution
The negative lens 3 and positive lens 4 that microscope group is arranged by same optical axis form, and negative lens 3 therein can prolong the direction or so of light injection
It is mobile, realize zoom function.In other embodiments, negative lens can replace this negative lens group or positive lens or replace
For positive lens groups.
It is the embodiment 2 of lens group structure with reference to attached drawing 2, in front specifically it is also possible that saturating on the basis of technical solution
Microscope group is made of two positive lens 5 that same optical axis is arranged, and lens exit direction is provided with window glass 6, and therein two just thoroughly
The direction that mirror 5 can prolong light injection moves left and right, and realizes zoom function.
It is to be expounded to the utility model based on the infrared laser zoom light compensating lamp of optical mixing rod homogenisation techniques above, uses
In helping to understand the utility model, but the embodiments of the present invention and be not restricted to the described embodiments, it is any without departing from
Made changes, modifications, substitutions, combinations, simplifications under the utility model principle, should be equivalent substitute mode, are included in
The protection scope of the utility model it is interior.
Claims (10)
1. a kind of infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques, it is characterised in that: described to swash including laser
The emergent ray of light device was penetrated from an optical mixing rod, was projected after the light beam of optical mixing rod light mixing is by lens group zoom；The laser
The emergent ray of device is injected from an end face of optical mixing rod, by the other end directive of optical mixing rod after the total reflection of the side of optical mixing rod
Lens group.
2. the infrared laser zoom light compensating lamp according to claim 1 based on optical mixing rod homogenisation techniques, it is characterised in that: institute
The biend for stating optical mixing rod is plane.
3. the infrared laser zoom light compensating lamp according to claim 1 based on optical mixing rod homogenisation techniques, it is characterised in that: institute
The cross section for stating optical mixing rod is polygon or round or ellipse.
4. the infrared laser zoom light compensating lamp according to claim 3 based on optical mixing rod homogenisation techniques, it is characterised in that: institute
The side for stating the cross section of optical mixing rod is zigzag.
5. the infrared laser zoom light compensating lamp according to claim 1 based on optical mixing rod homogenisation techniques, it is characterised in that: institute
The side surface for stating optical mixing rod is equipped with reflective coating.
6. the infrared laser zoom light compensating lamp according to claim 1 based on optical mixing rod homogenisation techniques, it is characterised in that: institute
State negative lens that lens group is arranged by same optical axis and positive lens groups at.
7. the infrared laser zoom light compensating lamp according to claim 1 based on optical mixing rod homogenisation techniques, it is characterised in that: institute
It states negative lens group that lens group is arranged by same optical axis and positive lens groups forms.
8. the infrared laser zoom light compensating lamp according to claim 1 based on optical mixing rod homogenisation techniques, it is characterised in that: institute
State two positive lens groups that lens group is arranged by same optical axis at.
9. the infrared laser zoom light compensating lamp according to claim 1 based on optical mixing rod homogenisation techniques, it is characterised in that: institute
Stating laser is semiconductor laser.
10. the infrared laser zoom light compensating lamp according to claim 1 based on optical mixing rod homogenisation techniques, it is characterised in that:
The optical mixing rod is the hollow pipe that transparent solid bar or surface are coated with total reflection film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821050841.3U CN208506379U (en) | 2018-06-29 | 2018-06-29 | Infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821050841.3U CN208506379U (en) | 2018-06-29 | 2018-06-29 | Infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208506379U true CN208506379U (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821050841.3U Active CN208506379U (en) | 2018-06-29 | 2018-06-29 | Infrared laser zoom light compensating lamp based on optical mixing rod homogenisation techniques |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208506379U (en) |
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2018
- 2018-06-29 CN CN201821050841.3U patent/CN208506379U/en active Active
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