JPS6355145U - - Google Patents
Info
- Publication number
- JPS6355145U JPS6355145U JP14970286U JP14970286U JPS6355145U JP S6355145 U JPS6355145 U JP S6355145U JP 14970286 U JP14970286 U JP 14970286U JP 14970286 U JP14970286 U JP 14970286U JP S6355145 U JPS6355145 U JP S6355145U
- Authority
- JP
- Japan
- Prior art keywords
- diffraction grating
- measuring
- light
- parallelism
- transmitted
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Testing Of Optical Devices Or Fibers (AREA)
Description
第１図は本考案の一実施例を示す構成ブロツク
図、第２図は被測定光の入射状態を示す図、第３
図は実験結果を示す図、第４図は実験回路を示す
図、第５図は回折格子の模様を示す図、第６図は
回折格子の形状例を示す図、第７図、第８図は他
の実施例を示す構成ブロツク図、第９図は第８図
に示す回路の出力特性を示す図、第１０図、第１
１図は本考案の他の実施例を示す構成図、第１２
図は従来装置の構成例を示す図、第１３図はその
一部拡大図である。
１…半導体レーザ、２…コリメータレンズ、３
，４…スクリーン、１１，１２，３１，３２，４
１…回折格子、１３，２４，２５，３３，４３…
光検出器、１４，２６，２７…アンプ、１５…電
圧測定器、２１…ハーフミラー、２８…差動アン
プ、４２…ミラー。
Fig. 1 is a configuration block diagram showing an embodiment of the present invention, Fig. 2 is a diagram showing the incident state of the light to be measured, and Fig. 3 is a diagram showing the incident state of the light to be measured.
The figure shows the experimental results, Figure 4 shows the experimental circuit, Figure 5 shows the pattern of the diffraction grating, Figure 6 shows an example of the shape of the diffraction grating, Figures 7 and 8. 9 is a configuration block diagram showing another embodiment, FIG. 9 is a diagram showing the output characteristics of the circuit shown in FIG. 8, FIG.
Figure 1 is a configuration diagram showing another embodiment of the present invention;
The figure shows an example of the configuration of a conventional device, and FIG. 13 is a partially enlarged view thereof. 1... Semiconductor laser, 2... Collimator lens, 3
, 4...Screen, 11, 12, 31, 32, 4
1... Diffraction grating, 13, 24, 25, 33, 43...
Photodetector, 14, 26, 27... Amplifier, 15... Voltage measuring device, 21... Half mirror, 28... Differential amplifier, 42... Mirror.
Claims (1)
小になるように配置された回折格子と、該回折格
子の透過光を測定する光検出器とを具備し、前記
回折格子の透過光景を測定することにより入射光
の平行度を測定するようにしたことを特徴とする
光ビームの平行度測定装置。 (2) 前記回折格子として反射型回折格子を用い
たことを特徴とする実用新案登録請求の範囲第１
項記載の光ビームの平行度測定装置。[Claims for Utility Model Registration] (1) Comprising a diffraction grating arranged so that the transmitted light is maximized or minimized with respect to incident light, and a photodetector for measuring the transmitted light of the diffraction grating. . A light beam parallelism measuring device, characterized in that the parallelism of incident light is measured by measuring the transmitted view of the diffraction grating. (2) Utility model registration claim 1 characterized in that a reflective diffraction grating is used as the diffraction grating.
A device for measuring parallelism of a light beam as described in Section 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986149702U JPH0512753Y2 (en) | 1986-09-30 | 1986-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986149702U JPH0512753Y2 (en) | 1986-09-30 | 1986-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6355145U true JPS6355145U (en) | 1988-04-13 |
| JPH0512753Y2 JPH0512753Y2 (en) | 1993-04-02 |
Family
ID=31065162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986149702U Expired - Lifetime JPH0512753Y2 (en) | 1986-09-30 | 1986-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0512753Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0288144U (en) * | 1988-12-23 | 1990-07-12 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5983116A (en) * | 1982-11-02 | 1984-05-14 | Olympus Optical Co Ltd | Adjustment device for optical system |
-
1986
- 1986-09-30 JP JP1986149702U patent/JPH0512753Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5983116A (en) * | 1982-11-02 | 1984-05-14 | Olympus Optical Co Ltd | Adjustment device for optical system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0288144U (en) * | 1988-12-23 | 1990-07-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0512753Y2 (en) | 1993-04-02 |