CN105633782B - The additional visible light instruction device of invisible laser - Google Patents
The additional visible light instruction device of invisible laser Download PDFInfo
- Publication number
- CN105633782B CN105633782B CN201610178412.3A CN201610178412A CN105633782B CN 105633782 B CN105633782 B CN 105633782B CN 201610178412 A CN201610178412 A CN 201610178412A CN 105633782 B CN105633782 B CN 105633782B
- Authority
- CN
- China
- Prior art keywords
- laser
- invisible
- invisible laser
- tilting mirror
- visible light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/101—Lasers provided with means to change the location from which, or the direction in which, laser radiation is emitted
Abstract
The invention discloses a kind of additional visible light instruction devices of invisible laser, including visible laser, tilting mirror and fluorescent screen, the tilting mirror is made of the material highly transmissive to invisible laser, and it can be rotated around center of lens axis, tilting mirror is that fan-shaped vertex is divided into three sector regions with center of lens, respectively phosphor region, echo area and transmission area, the phosphor region is provided with the fluorescent material that invisible laser can excite, the echo area is provided with the high reflection material to visible instruction laser, and the transmission area keeps lens materials to be not processed；The fluorescent material that invisible laser can excite is provided on the fluorescent screen.The present invention, which realizes, gives infrared laser additional instruction light, have the characteristics that it is easy to operate, take less, precision is high, stablizes switching.
Description
Technical field
The invention belongs to laser technology and application fields, are related to a kind of method and apparatus that invisible laser optical path is shown,
More particularly to a kind of lens device showing infrared laser light path using visible light as instruction light.
Background technology
High-power laser beam majority used in industrial production and laboratory research is infrared laser.Infrared laser naked eyes are not
As it can be seen that adjusting light path to user causes difficulty.At present there are mainly three types of solution to this problem：(1) laser is utilized
Built-in red instruction laser adjusts light path.This method is the most simple and convenient, but section laser does not have built-in instruction light,
There are section lasers to indicate that laser is weak, more difficult the problems such as seeing clearly after diverging；(2) auxiliary such as infrared viewer or infrared card are utilized
Equipment observation optical path.This method it is more difficult it is single complete optical path adjusting, and safety coefficient is low when laser power is higher；(3) it uses
Person is according to actual conditions, outer in original light path plus instruction laser.This method can the preferably middle presence of solution (1) and (2)
The problem of, but needing user accurately to adjust light path makes additional instruction light be overlapped with infrared laser, and can easily switch and refer to
Show light and infrared laser.Using conventional optical component, adjust this process there are precision low, time-consuming, cuts
Change the problems such as stability is poor.
Invention content
The technical problem to be solved in the present invention is to provide one kind to infrared laser, ultraviolet laser etc. invisible laser is additional can
The method and lens device for seeing instruction light accurately can quickly adjust instruction laser and be overlapped with invisible laser optical path, and energy
Steadily switching instruction light and invisible laser, have the characteristics that it is easy to operate, take less, precision is high, stablizes and switches.
The present invention solution technical solution be：
A kind of additional visible light instruction device of invisible laser, including indication laser, tilting mirror and fluorescent screen, it is described
Tilting mirror be made of the material highly transmissive to invisible laser, and can be rotated around center of lens axis, tilting mirror is with center of lens
Fan-shaped vertex is divided into three sector regions, respectively phosphor region, echo area and transmission area, and the phosphor region is provided with invisible
The fluorescent material that laser can excite, the echo area are provided with the substance to visible instruction laser high reflection, the transmission
Area keeps lens materials to be not processed, and the fluorescent material that invisible laser can excite is provided on the fluorescent screen, tilting mirror is set
It sets in the light path of invisible laser, the negative direction of indication laser never visible laser is incident to the back side of tilting mirror, and
After the reflection of tilting mirror echo area, fluorescent screen is exposed to invisible laser coaxial line.
In the additional visible light instruction device of above-mentioned invisible laser, tilting mirror is driven by motor around center of lens axis
Rotation.
In the additional visible light instruction device of above-mentioned invisible laser, motor is fixed on displacement platform.
In the additional visible light instruction device of above-mentioned invisible laser, tilting mirror is made of quartz.
In the additional visible light instruction device of above-mentioned invisible laser, invisible laser is infrared laser, and described is glimmering
Stimulative substance is er-doped LiYF4 or er-doped Ga2S:La2O3 up-conversion luminescent materials.
In the additional visible light instruction device of above-mentioned invisible laser, motor speed is more than 8 revolutions per seconds.
In the additional visible light instruction device of above-mentioned invisible laser, tilting mirror can be revolved by way of manual toggle
Turn.
In the additional visible light instruction device of above-mentioned invisible laser, the fluorescent material on the tilting mirror is pasted onto tilting mirror
Phosphor region.
In the additional visible light instruction device of above-mentioned invisible laser, high reflection material is aluminium foil, is pasted onto tilting mirror
Echo area.
The device have the advantages that as follows：
1, the present invention proposes a kind of method to the additional instruction light of invisible laser, can be shown using visible light beam
Infrared, ultraviolet laser beam optical path, convenient design and control to infrared light path.
2, method proposed by the present invention can quickly and accurately adjust visible light and be overlapped with infrared light, have and take few, behaviour
Make the features such as simple.
When 3, capturing invisible laser facula using traditional infrared display card, due to the fluorescent material on infrared display card
Fluorescent lifetime short-range missile causes to be stuck in the position to needing switch card frequently in photoreduction process using infrared display, to bring operation not
Just, proposed by the present invention to give the additional instruction light microscopic sheet devices of infrared laser, due to the rotation of eyeglass, it is equivalent to and is produced to fluorescent material
The time-modulation between irradiation and cut-out has been given birth to, has efficiently solved the above problem, while also overcoming fluorescence to a certain extent
The low deficiency of matter threshold for resisting laser damage.
Description of the drawings
Fig. 1 is a kind of additional visible light instruction device schematic diagram of invisible laser of the present invention；
Fig. 2 is the different sector region of eyeglass light-emitting surface；
Wherein：1-invisible laser；2-invisible laser beams；3-indication lasers；4-instruction laser beams；5—
Tilting mirror；6-motors；7-displacement platforms；8-eyeglass outgoing beams；9-fluorescent screens；51-phosphor regions；52-echo areas；53-thoroughly
Penetrate area.
Specific implementation mode
Invisible laser 1 includes infrared laser and ultraviolet laser, below by taking 1064nm infrared lasers as an example, is situated between
Continue the principle of the present invention.
For the present invention using 2 points of principles for determining straight line in space, adjust instruction laser makes it pass through with infrared laser
Identical 2 points in space are crossed, to achieve the purpose that indicate that light is overlapped with infrared light, therefore should be able to be simultaneously when adjusting light path
It observes infrared laser and indicates 2 points of the space that light passes through.
As depicted in figs. 1 and 2, additional visible light instruction device includes indication laser 3, tilting mirror 5 and fluorescent screen 9, described
Tilting mirror 5 be made of the material highly transmissive to invisible laser, and can be rotated around center of lens axis, tilting mirror 5 is with center of lens
It is divided into three sector regions, respectively phosphor region 51, echo area 52 and transmission area 53 for fan-shaped vertex, the phosphor region 51 is set
It is equipped with the fluorescent material that invisible laser can excite, the echo area 52 is provided with the high reflection material to visible instruction laser
Material, the transmission area 53 keep lens materials to be not processed.Tilting mirror 5 is arranged in the light path of invisible laser 1, and instruction swashs
The negative direction of the never visible laser 1 of light device 3 is not incident to the back side of tilting mirror 5, and after the reflection of 5 echo area 52 of tilting mirror, and not
1 coaxial line of visible laser exposes to fluorescent screen 9.Fluorescent material is er-doped LiYF4 or er-doped Ga2S:La2O3 up-conversion luminescences
Material.Center of lens is connected with the shaft of motor 6, and motor 6 is connected by strut with displacement platform 7, and it is flat that displacement platform 7 can meet two dimension
Move and rotate the function of adjusting.
Lens device can stablize rotation in experiment, when the phosphor region of eyeglass 51 is in light path, due to fluorescent material
Upper conversion function and diffusing reflection to visible instruction laser, can show infrared laser hot spot A points and visible finger simultaneously on eyeglass
Show laser facula C points.When the echo area of eyeglass 52 is in light path, infrared laser is blocked, and naked eyes are it is observed that visible finger
Show that laser is reflected on fluorescent screen and leaves hot spot D points.When eyeglass is in through area 53 in light path, infrared laser is direct
It is radiated on fluorescent screen, the fluorescent material on fluorescent screen can show glossing up B points.When the rotating speed of eyeglass it is sufficiently fast (be more than 8 turns/
Second), the space hot spot being observed visually be one to time integral as a result, infrared laser and visible finger can be observed simultaneously
Show (A points, B points, C points and D points) in the space that laser passes through at 4 points.As long as adjusting the incident direction of visible instruction laser beam
With the posture of lens device, make 2 points of the space that infrared laser and visible instruction laser pass through be respectively superposed (A points and C points overlap,
B points and D points overlap), so that it may it realizes to the purpose of the additional instruction light of infrared laser.
Hereafter, stop eyeglass rotation, the echo area 52 of eyeglass is made to be in light path, you can utilize the light of visible instruction laser
Road shows the light path of infrared laser, facilitates the design and control of subsequent optical path.After completing light path design, eyeglass is rotated, it is made
Transmission area 53 is in light path, you can normally uses infrared laser.
The sector region of eyeglass in the present invention, can be used two regions be coated with respectively to the metal film of laser beam high reflection and
The fluorescent material of infrared laser can be shown by being coated with, and another region is not processed, and retains the high transmittance of eyeglass；Purchase can also be used
Infrared display card is bought, the phosphor region of tilting mirror is pasted onto after being cut；High reflection material is then aluminium foil or other metallic reflection pieces,
It is pasted onto the echo area of tilting mirror, facilitates the making of tilting mirror.A diameter of 20~200mm of tilting mirror, thickness are 1~10mm, and material is
The substance that quartz or K9 glass etc. can penetrate black light.
Claims (9)
1. a kind of additional visible light instruction device of invisible laser, it is characterised in that：Including indication laser (3), tilting mirror
(5) it is made of the material highly transmissive to invisible laser with fluorescent screen (9), the tilting mirror (5), and can be around center of lens axis
Line rotates, and tilting mirror (5) is that fan-shaped vertex is divided into three sector regions, respectively phosphor region (51), echo area with center of lens
(52) and transmission area (53), the phosphor region (51) are provided with the fluorescent material that invisible laser can excite, the reflection
Area (52) is provided with the high reflection material to visible instruction laser, and the transmission area (53) keeps lens materials to be not processed；
It is provided with the fluorescent material that invisible laser can excite on the fluorescent screen (9)；Tilting mirror (5) setting swashs invisible
In the light path of light device (1), the negative direction of indication laser (3) never visible laser (1) is incident to the back side of tilting mirror (5), and
After the reflection of tilting mirror (5) echo area (52), fluorescent screen is exposed to invisible laser (1) coaxial line.
2. the additional visible light instruction device of invisible laser according to claim 1, it is characterised in that：Described turns
Mirror (5) is driven by motor (6) to be rotated around center of lens axis.
3. the additional visible light instruction device of invisible laser according to claim 2, it is characterised in that：Motor (6)
It is fixed on displacement platform (7).
4. the additional visible light instruction device of invisible laser according to claim 1, it is characterised in that：Described turns
Mirror (5) is made of quartz.
5. the additional visible light instruction device of invisible laser according to claim 1, it is characterised in that：It is invisible to swash
Light is infrared laser, and the fluorescent material is er-doped LiYF4 or er-doped Ga2S:La2O3 up-conversion luminescent materials.
6. the additional visible light instruction device of invisible laser according to claim 2, it is characterised in that：The motor
(6) rotating speed is more than 8 revolutions per seconds.
7. the additional visible light instruction device of invisible laser according to claim 1, it is characterised in that：Described turns
Mirror (5) is rotated by way of manual toggle.
8. the additional visible light instruction device of invisible laser according to claim 1, it is characterised in that：The tilting mirror
(5) fluorescent material on is pasted onto the phosphor region (51) of tilting mirror (5).
9. the additional visible light instruction device of invisible laser according to claim 1, it is characterised in that：The height
Reflecting material is aluminium foil, is pasted onto the echo area (52) of tilting mirror (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178412.3A CN105633782B (en) | 2016-03-25 | 2016-03-25 | The additional visible light instruction device of invisible laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610178412.3A CN105633782B (en) | 2016-03-25 | 2016-03-25 | The additional visible light instruction device of invisible laser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105633782A CN105633782A (en) | 2016-06-01 |
| CN105633782B true CN105633782B (en) | 2018-08-31 |
Family
ID=56048459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610178412.3A Expired - Fee Related CN105633782B (en) | 2016-03-25 | 2016-03-25 | The additional visible light instruction device of invisible laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105633782B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2755004C1 (en) * | 2020-09-03 | 2021-09-09 | Федеральное государственное бюджетное образовательное учреждение высшего образования Иркутский государственный университет путей сообщения (ФГБОУ ВО ИрГУПС) | Method for visualised testing of infrared bolometric systems |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802293B (en) * | 2019-03-12 | 2020-07-28 | 西北核技术研究所 | Laser external indicating light safe leading-in system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2154550Y (en) * | 1993-02-08 | 1994-01-26 | 周小宁 | Laser indicating lens with the same light path |
| CN202651611U (en) * | 2012-06-13 | 2013-01-02 | 长春新产业光电技术有限公司 | Semiconductor pumped all-solid-state laser marking machine |
| CN103368070A (en) * | 2012-03-29 | 2013-10-23 | 山东华光光电子有限公司 | Fiber coupled semiconductor laser with indication light and packaging method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7859660B2 (en) * | 2001-03-20 | 2010-12-28 | Kaiser Optical Systems | Laser indication light configuration |
-
2016
- 2016-03-25 CN CN201610178412.3A patent/CN105633782B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2154550Y (en) * | 1993-02-08 | 1994-01-26 | 周小宁 | Laser indicating lens with the same light path |
| CN103368070A (en) * | 2012-03-29 | 2013-10-23 | 山东华光光电子有限公司 | Fiber coupled semiconductor laser with indication light and packaging method thereof |
| CN202651611U (en) * | 2012-06-13 | 2013-01-02 | 长春新产业光电技术有限公司 | Semiconductor pumped all-solid-state laser marking machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2755004C1 (en) * | 2020-09-03 | 2021-09-09 | Федеральное государственное бюджетное образовательное учреждение высшего образования Иркутский государственный университет путей сообщения (ФГБОУ ВО ИрГУПС) | Method for visualised testing of infrared bolometric systems |
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| Publication number | Publication date |
|---|---|
| CN105633782A (en) | 2016-06-01 |
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