CN220690277U - Automatic compression testing arrangement of light pulse width dual wavelength - Google Patents
Automatic compression testing arrangement of light pulse width dual wavelength Download PDFInfo
- Publication number
- CN220690277U CN220690277U CN202322481726.9U CN202322481726U CN220690277U CN 220690277 U CN220690277 U CN 220690277U CN 202322481726 U CN202322481726 U CN 202322481726U CN 220690277 U CN220690277 U CN 220690277U
- Authority
- CN
- China
- Prior art keywords
- mirror
- pulse
- automatic compression
- prism
- optical signal
- 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.)
- Active
Links
- 230000006835 compression Effects 0.000 title claims abstract description 55
- 238000007906 compression Methods 0.000 title claims abstract description 55
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 230000009977 dual effect Effects 0.000 title claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 99
- 238000005259 measurement Methods 0.000 claims abstract description 48
- 239000013307 optical fiber Substances 0.000 claims abstract description 34
- 239000000835 fiber Substances 0.000 claims description 9
- 238000009532 heart rate measurement Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000012669 compression test Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The utility model discloses an automatic compression testing device for dual wavelengths of optical pulse width, which comprises: an initial measurement and beam combination output part provided with a reflector M3, a reflector M7, a reflector M1 and a first optical fiber input port; the first pulse automatic compression measuring part comprises a first vertical turning part, a reflecting mirror M2, a first grating and a second optical fiber input port; the second pulse automatic compression measuring part comprises a second vertical turning part, a reflecting mirror M4, a first prism and a third optical fiber input port; the reflector M1, the reflector M3 and the reflector M7 respectively reflect the optical signals reflected by the first pulse automatic compression measuring part and the second pulse automatic compression measuring part to the APE autocorrelation instrument, so that the efficiency of automatic compression measurement of two pulse widths is higher, and the efficiency of directly outputting the pulse width and the compressible pulse width of the ultrafast seed source is greatly improved.
Description
Technical Field
The utility model relates to the technical field of optical pulse testing, in particular to an optical pulse width dual-wavelength automatic compression testing device.
Background
Current pulse width test equipment typically only provides a test host, but in actual testing, pulsed light of a specific polarization state is generally required to be input as specified. This procedure requires the construction of a specific external optical path, increasing the complexity and time costs of the test. In addition, the pulsed light sources with different wavelengths need to be tested, and different external test light paths need to be built, which further increases the difficulty and cost of testing.
Disclosure of Invention
In order to overcome at least one of the above-mentioned drawbacks of the prior art, the present utility model provides an optical pulse width dual wavelength automatic compression testing apparatus. The problem that different light paths need to be built for testing pulse light sources with different wavelengths can be solved.
The utility model adopts the technical proposal for solving the problems that:
an optical pulse width dual wavelength automatic compression testing device comprising:
the initial measurement and beam combination output part is provided with a reflecting mirror M3 matched with the first pulse automatic compression measurement part, a reflecting mirror M7 matched with the second pulse automatic compression measurement part, a reflecting mirror M1 and a first optical fiber input port;
the first pulse automatic compression measuring part comprises a first vertical folding part, a reflecting mirror M2, a first grating and a second optical fiber input port, wherein the reflecting mirror M2 is used for reflecting an optical signal injected by the second optical fiber input port to the first grating, and the first grating is used for reflecting the optical signal to the first vertical folding part;
the second pulse automatic compression measuring part comprises a second vertical folding part, a reflecting mirror M4, a first prism and a third optical fiber input port, wherein the reflecting mirror M4 is used for reflecting an optical signal injected by the third optical fiber input port to the first prism and reflecting the optical signal to the second vertical folding part through the first prism;
the reflector M1 reflects the optical signal of the first optical fiber input port to the APE autocorrelation instrument, the reflector M3 reflects the optical signal reflected by the first pulse automatic compression measurement part to the APE autocorrelation instrument, and the reflector M7 reflects the optical signal reflected by the second pulse automatic compression measurement part to the APE autocorrelation instrument.
By adopting the scheme, the device can automatically compress the light pulse width of the 1030nm wavelength and the 1560nm wavelength, and can measure the initial pulse shape.
Further, the second pulse automatic compression measurement part further comprises a reflecting mirror M5 and a reflecting mirror M6, and the reflecting mirror M5 and the reflecting mirror M6 are used for bypassing the optical path in the first pulse automatic compression measurement part by the optical signal folded back by the second vertical folding part.
Through adopting above-mentioned scheme, can avoid the influence of first pulse automatic compression measuring part to the automatic compression measuring part of second pulse, improve test accuracy, make things convenient for the design of whole device light path structure simultaneously.
Further, the first vertical turning-back part is connected with a first linear motor, the first vertical turning-back part is provided with a second grating and a first vertical turning-back prism, and the first linear motor is used for driving the direction of the first vertical turning-back part to move in a reciprocating manner and the direction of the optical signal reflected by the first grating to the second grating.
By adopting the scheme, the fine adjustment of the optical pulse compression test can be realized by adjusting the movement of the first vertical turning-back part.
Further, the second vertical turning part is connected with a second linear motor, the second vertical turning part is provided with a second prism and a second vertical turning prism, and the second linear motor is used for driving the second vertical turning part to move in a moving direction and the direction of the optical signal reflected by the first prism to the second prism to reciprocate.
By adopting the scheme, the fine adjustment of the optical pulse compression test can be realized by adjusting the movement of the second vertical turning-back part.
Further, the first grating forms an included angle of 121 degrees with the optical signal reflected by the reflecting mirror M2.
By adopting the scheme, the angle can optimize the reflection and the turning-back effect of the optical signal and improve the test precision.
Further, the vertex angles of the first prism and the second prism are 32.2 degrees.
By adopting the scheme, the refraction and focusing effects of the optical signals can be optimized by the angle, and the testing precision is improved.
Further, the mirror M3 is connected to a first push rod, and the first push rod is used for driving the mirror M3 to reciprocate along the direction of the optical signal reflected by the first grating to the mirror M3.
By adopting the scheme, the precise turning back and measuring of the optical signal can be realized by adjusting the movement direction of the reflecting mirror M3.
Further, the mirror M7 is connected to a second push rod, and the second push rod is used for driving the mirror M7 to reciprocate along the direction of the optical signal reflected by the mirror M6 to the mirror M7.
By adopting the scheme, the precise turning back and measuring of the optical signal can be realized by adjusting the movement direction of the reflecting mirror M7.
Further, the first fiber input port is used for 1030nm or 1560nm initial pulse measurement, the second fiber input port is used for 1030nm compressed pulse measurement, and the third fiber input port is used for 1560nm compressed pulse measurement.
By adopting the scheme, the efficiency of directly outputting pulse width and compressible pulse width of the ultra-fast seed source can be improved by measuring the 1030nm pulse or the 1560nm pulse respectively.
In summary, the optical pulse width dual-wavelength automatic compression testing device provided by the utility model has the following technical effects:
1. the optical path design comprises dual-wavelength initial pulse width measurement, 1030nm pulse automatic compression measurement and 1560nm pulse automatic compression measurement, and has stronger function and more convenient use than the prior single measurement optical path;
2. the automatic compression measurement of the two pulse widths is higher in efficiency, and the efficiency of directly outputting the pulse width and the compressible pulse width of the ultra-fast seed source is greatly improved.
Drawings
FIG. 1 is an internal light path diagram of a device according to embodiment 1 of the present utility model;
fig. 2 is an internal light path diagram of the device in embodiment 2 of the present utility model.
Wherein the reference numerals have the following meanings: 100. an initial measurement and beam combination output unit; 110. a first optical fiber input port; 120. a first push rod; 130. a second push rod; 200. a first pulse automatic compression measurement unit; 210. a second optical fiber input port; 220. a first grating; 230. a first vertical folding portion; 231. a second grating; 232. a first vertical turning prism; 300. a first pulse automatic compression measurement unit; 310. a third fiber input port; 320. a first prism; 330. a second vertical folding portion; 331. a second prism; 332. a second vertical turning prism; 400. APE autocorrelation instrument; m1, mirror M1; m2, mirror M2; m3, mirror M3; m4, mirror M4; m5, mirror M5; m6, a reflector M6; m7, mirror M7.
Detailed Description
For a better understanding and implementation, the technical solutions of the embodiments of the present utility model will be clearly and completely described and discussed below in conjunction with the accompanying drawings, and it is apparent that what is described herein is only a part, but not all, of the examples of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
For the purpose of facilitating an understanding of the embodiments of the present utility model, reference will now be made to the drawings, by way of example, of specific embodiments, and the various embodiments should not be construed to limit the embodiments of the utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
The embodiment 1 of the utility model discloses an automatic compression testing device for dual wavelengths of optical pulse width: comprising the following steps:
an initial measurement and beam combination output unit 100, wherein the initial measurement and beam combination output unit 100 is provided with a mirror M3 matched with the first automatic pulse compression measurement unit 200, a mirror M7 matched with the second automatic pulse compression measurement unit, a mirror M1 and a first optical fiber input port 110;
a first pulse automatic compression measurement part 200, wherein the first pulse automatic compression measurement part 200 comprises a first vertical folding part 230, a reflecting mirror M2, a first grating 220 and a second optical fiber input port 210, the reflecting mirror M2 is used for reflecting an optical signal incident from the second optical fiber input port 210 to the first grating 220, and the first grating 220 is used for reflecting the optical signal to the first vertical folding part 230;
a second pulse automatic compression measurement part, which includes a second vertical folding part 330, a mirror M4, a first prism 320 and a third optical fiber input port 310, wherein the mirror M4 is used for reflecting an optical signal incident from the third optical fiber input port 310 to the first prism 320 and reflecting the optical signal to the second vertical folding part 330 through the first prism 320;
the mirror M1 reflects the optical signal of the first optical fiber input port 110 to the APE autocorrelation instrument 400, the mirror M3 reflects the optical signal reflected by the first automatic pulse compression measurement unit 200 to the APE autocorrelation instrument 400, and the mirror M7 reflects the optical signal reflected by the second automatic pulse compression measurement unit to the APE autocorrelation instrument 400.
The first vertical folding portion 230 is connected with a first linear motor, the first vertical folding portion 230 is provided with a second grating 231 and a first vertical folding prism 232, the first linear motor is used for driving the direction of the first vertical folding portion 230 and the direction of the optical signal reflected by the first grating 220 to the second grating 231 to reciprocate, and fine adjustment of the optical pulse compression test can be achieved by adjusting the movement of the first vertical folding portion 230. The first grating 220 and the second grating 231 are 1000l/mm.
The second vertical folding portion 330 is connected with a second linear motor, the second vertical folding portion 330 is provided with a second prism 331 and a second vertical folding prism 332, the second linear motor is used for driving the direction of the second vertical folding portion 330 to reciprocate with the direction of the optical signal reflected by the first prism 320 to the second prism 331, and fine adjustment of the optical pulse compression test can be achieved by adjusting the movement of the second vertical folding portion 330.
The first grating 220 forms an included angle of 121 ° with the optical signal reflected by the reflecting mirror M2, and the angle can optimize the reflection and the turn-back effect of the optical signal, thereby improving the test accuracy.
The vertex angles of the first prism 320 and the second prism 331 are 32.2 degrees, and the angle can optimize the refraction and focusing effects of the optical signals and improve the testing precision.
The reflecting mirror M3 is connected with a first push rod 120, and the first push rod 120 is used for driving the reflecting mirror M3 to reciprocate along the direction of the optical signal reflected by the first grating 220 to the reflecting mirror M3, so that the accurate turn-back and measurement of the optical signal can be realized by adjusting the movement direction of the reflecting mirror M3.
The reflecting mirror M7 is connected with a second push rod 130, and the second push rod 130 is used for driving the reflecting mirror M7 to reciprocate along the direction of the optical signal reflected by the reflecting mirror M6 to the reflecting mirror M7, so that the accurate turning back and measurement of the optical signal can be realized by adjusting the movement direction of the reflecting mirror M7.
The first optical fiber input port 110 is used for 1030nm or 1560nm initial pulse measurement, the second optical fiber input port 210 is used for 1030nm compressed pulse measurement, the third optical fiber input port 310 is used for 1560nm compressed pulse measurement, and the measurement can be carried out for 1030nm or 1560nm pulse respectively, so that the efficiency of directly outputting pulse width and compressible pulse width by the ultra-fast seed source is improved.
The specific arrangement may be as shown in fig. 1, where the optical signal is injected from the first optical fiber input port 110: the reflecting mirror M1 forms an angle of 45 ° with the optical path incident from the first optical fiber input port 110, and diverts the optical signal to the APE autocorrelation instrument 400.
Optical signals injected by the second fiber optic input port 210: the optical path of the reflection mirror M2 and the optical path of the second optical fiber input port 210 form an angle of 45 degrees, the optical signal is reflected to a first grating 220 arranged at a side far away from the initial measurement and beam combination output part 100, the first grating 220 forms an included angle of 121 degrees with the optical signal reflected by the reflection mirror M2, the optical signal is reflected to a second grating 231, the second grating 231 adjusts the optical signal to vertically irradiate to a first vertical folding prism 232, and the first vertical folding prism 232 reflects the optical signal to the APE autocorrelation instrument 400 through the second grating 231, the first grating 220 and the reflection mirror M3.
Optical signals injected by the third fiber input port 310: the optical path of the reflection mirror M4 and the optical path of the third optical fiber input port 310 form an angle of 45 degrees, the optical signal is reflected to a first prism 320 disposed at a side far away from the initial measurement and beam combination output unit 100, the first prism 320 reflects the optical signal to a second prism 331, the optical signal is vertically directed to a second vertical folding prism 332 through the conduction of the second prism 331, and the second vertical folding prism 332 reflects the optical signal to the APE autocorrelation instrument 400 through the second prism 331, the first prism 320 and the reflection mirror M7.
In summary, the optical pulse width dual-wavelength automatic compression testing device provided by the utility model has the following technical effects:
1. the optical path design comprises dual-wavelength initial pulse width measurement, 1030nm pulse automatic compression measurement and 1560nm pulse automatic compression measurement, and has stronger function and more convenient use than the prior single measurement optical path;
2. the automatic compression measurement of the two pulse widths is higher in efficiency, and the efficiency of directly outputting the pulse width and the compressible pulse width of the ultra-fast seed source is greatly improved.
Embodiment 2 of the present utility model is shown in fig. 2, and on the basis of embodiment 1, the second automatic pulse compression measurement unit further includes a mirror M5 and a mirror M6, where the mirror M5 and the mirror M6 are used to bypass the optical path in the first automatic pulse compression measurement unit 200 from the optical signal folded back by the second vertical folding unit 330, so that the influence of the first automatic pulse compression measurement unit 200 on the second automatic pulse compression measurement unit can be avoided, the test precision is improved, and the design of the optical path structure of the whole device is convenient.
The present embodiment relates to the optical path of the optical signal injected by the third optical fiber input port 310: the optical path of the optical signal incident on the third optical fiber input port 310 is at an angle of 45 degrees, the optical signal is reflected to a first prism 320 disposed at a side far away from the initial measurement and beam combination output unit 100, the first prism 320 reflects the optical signal to a second prism 331, the optical signal is vertically directed to a second vertical folding prism 332 through the conduction of the second prism 331, and the second vertical folding prism 332 reflects the optical signal to the APE autocorrelation instrument 400 through the second prism 331, the first prism 320, the mirror M5, the mirror M6 and the mirror M7.
Compared with embodiment 1, in this embodiment, the optical signals injected from the third optical fiber input port 310 and the optical signals injected from the second optical fiber input port 210 are respectively designed, so that the volume and the shape of the whole device can be ensured, and the design of the optical path structure of the whole device is facilitated.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (9)
1. An optical pulse width dual wavelength automatic compression testing device, comprising:
the initial measurement and beam combination output part is provided with a reflecting mirror M3 matched with the first pulse automatic compression measurement part, a reflecting mirror M7 matched with the second pulse automatic compression measurement part, a reflecting mirror M1 and a first optical fiber input port;
the first pulse automatic compression measuring part comprises a first vertical folding part, a reflecting mirror M2, a first grating and a second optical fiber input port, wherein the reflecting mirror M2 is used for reflecting an optical signal injected by the second optical fiber input port to the first grating, and the first grating is used for reflecting the optical signal to the first vertical folding part;
the second pulse automatic compression measuring part comprises a second vertical folding part, a reflecting mirror M4, a first prism and a third optical fiber input port, wherein the reflecting mirror M4 is used for reflecting an optical signal injected by the third optical fiber input port to the first prism and reflecting the optical signal to the second vertical folding part through the first prism;
the reflector M1 reflects the optical signal of the first optical fiber input port to the APE autocorrelation instrument, the reflector M3 reflects the optical signal reflected by the first pulse automatic compression measurement part to the APE autocorrelation instrument, and the reflector M7 reflects the optical signal reflected by the second pulse automatic compression measurement part to the APE autocorrelation instrument.
2. The apparatus according to claim 1, wherein the second pulse width dual wavelength automatic compression measurement section further comprises a mirror M5 and a mirror M6, and the mirror M5 and the mirror M6 are configured to bypass the optical path in the first pulse automatic compression measurement section from the optical signal folded back by the second vertical folding section.
3. The automatic compression testing device for dual wavelengths of light pulse width according to claim 1 or 2, wherein the first vertical folding portion is connected with a first linear motor, the first vertical folding portion is provided with a second grating and a first vertical folding prism, and the first linear motor is used for driving the first vertical folding portion to move in a reciprocating manner in the direction of the movement and the direction of the light signal reflected by the first grating to the second grating.
4. The automatic compression testing device for dual wavelengths of optical pulse width according to claim 3, wherein the second vertical folding portion is connected with a second linear motor, the second vertical folding portion is provided with a second prism and a second vertical folding prism, and the second linear motor is used for driving the second vertical folding portion to move in a reciprocating manner in the direction of the movement and in the direction of the optical signal reflected from the first prism to the second prism.
5. The device of claim 4, wherein the first grating is disposed at an angle of 121 ° to the optical signal reflected by the mirror M2.
6. The apparatus of claim 5, wherein the first prism and the second prism each have a vertex angle of 32.2 °.
7. The device of claim 6, wherein the mirror M3 is connected to a first push rod, and the first push rod is configured to drive the mirror M3 to reciprocate along a direction of the optical signal reflected by the first grating to the mirror M3.
8. The device of claim 7, wherein the mirror M7 is connected to a second push rod, and the second push rod is configured to drive the mirror M7 to reciprocate along the direction of the optical signal reflected by the mirror M6 to the mirror M7.
9. The automatic compression testing apparatus of claim 8, wherein the first fiber input port is used for 1030nm or 1560nm initial pulse measurement, the second fiber input port is used for 1030nm compressed pulse measurement, and the third fiber input port is used for 1560nm compressed pulse measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322481726.9U CN220690277U (en) | 2023-09-12 | 2023-09-12 | Automatic compression testing arrangement of light pulse width dual wavelength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322481726.9U CN220690277U (en) | 2023-09-12 | 2023-09-12 | Automatic compression testing arrangement of light pulse width dual wavelength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220690277U true CN220690277U (en) | 2024-03-29 |
Family
ID=90405446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322481726.9U Active CN220690277U (en) | 2023-09-12 | 2023-09-12 | Automatic compression testing arrangement of light pulse width dual wavelength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220690277U (en) |
-
2023
- 2023-09-12 CN CN202322481726.9U patent/CN220690277U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6992779B2 (en) | Interferometer apparatus for both low and high coherence measurement and method thereof | |
| CN110567685B (en) | Device and method for detecting refractive index of lens | |
| CN108572061B (en) | Full-caliber harmonic conversion efficiency measuring system and measuring method thereof | |
| CN111082298B (en) | Automatic light path collimation method of off-axis eight-pass amplification laser system | |
| CN102128715B (en) | Method for measuring reflectivity of dual-wavelength high reflecting mirror | |
| CN112285036B (en) | Frequency-reducing synchronous ultrafast transient absorption test system | |
| CN220690277U (en) | Automatic compression testing arrangement of light pulse width dual wavelength | |
| CN102323238B (en) | Device and method for measuring refractive index of intermediate infrared multi-wavelength material | |
| CN114300918A (en) | Ultra-stable narrow linewidth laser system and coupling adjustment method | |
| CN117213646A (en) | Automatic compression testing arrangement of light pulse width dual wavelength | |
| CN103713383B (en) | The servicing unit that a kind of light beam accurately guides and calibrates | |
| CN218974142U (en) | Multiband structure light microscopic imaging system | |
| CN110456521A (en) | A kind of light path system of unsteady cavity solid state laser alignment adjustment | |
| CN106404695B (en) | Spectrophotometer | |
| CN211374509U (en) | Integrated terahertz generation and focusing device and near-field terahertz scanning system | |
| CN111478170A (en) | Compact chirped pulse compressor | |
| CN217689613U (en) | Optical path system of rapid scanning device | |
| CN115267985B (en) | Lens coupling collimation system and method | |
| CN217980191U (en) | Confocal imaging system | |
| CN111397852A (en) | Intelligent detection method for prism degree of body-shaped and micro-prism lens | |
| US7719663B2 (en) | Heterodyne laser doppler probe and measurement system using the same | |
| CN115468742B (en) | Optical waveguide test system | |
| CN1547293A (en) | Displacement self-sensing HeNe laser system with cats eye as endoscope | |
| CN219552251U (en) | Terahertz optical fiber spectrometer optical transmission assembly, small detection probe and system | |
| CN219641976U (en) | Optical fiber coupling debugging structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |