JPH01107937U - - Google Patents
Info
- Publication number
- JPH01107937U JPH01107937U JP302288U JP302288U JPH01107937U JP H01107937 U JPH01107937 U JP H01107937U JP 302288 U JP302288 U JP 302288U JP 302288 U JP302288 U JP 302288U JP H01107937 U JPH01107937 U JP H01107937U
- Authority
- JP
- Japan
- Prior art keywords
- knife edge
- receiving element
- light receiving
- light beam
- 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.)
- Pending
Links
- 230000004069 differentiation Effects 0.000 claims description 2
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第１図は本考案の一実施例を示す斜視図、第２
図は第１図に示すナイフエツジ部の第１の例を示
す平面図、第３図ａ，ｂはナイフエツジ部のエツ
ジ角が９０°の場合の平面図、第４図は従来例の
一例を示す斜視図である。
１…ナイフエツジ部、２…一軸テーブル、３…
受光素子、４…微分回路、５…ナイフエツジ、６
…ナイフエツジ、７…ビーム、１１…回転スリツ
ト板、１２…駆動部、１３…受光素子、１４…微
分回路。
Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a plan view showing a first example of the knife edge portion shown in FIG. 1, FIGS. 3 a and b are plan views when the edge angle of the knife edge portion is 90°, and FIG. 4 is an example of a conventional example. FIG. 1...Knife edge part, 2...Single axis table, 3...
Light receiving element, 4... Differential circuit, 5... Knife edge, 6
...knife edge, 7...beam, 11...rotating slit plate, 12...driver, 13...light receiving element, 14...differentiation circuit.
Claims (1)
ジと、前記ナイフエツジを駆動する一軸テーブル
と、前記ナイフエツジで処理された光ビームを受
光する受光素子と、受光素子出力を微分する微分
回路とを含むことを特徴とするビーム径測定装置
。 It includes a V-shaped knife edge that vertically blocks a light beam, a uniaxial table that drives the knife edge, a light receiving element that receives the light beam processed by the knife edge, and a differentiation circuit that differentiates the output of the light receiving element. A beam diameter measuring device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP302288U JPH01107937U (en) | 1988-01-12 | 1988-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP302288U JPH01107937U (en) | 1988-01-12 | 1988-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01107937U true JPH01107937U (en) | 1989-07-20 |
Family
ID=31204292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP302288U Pending JPH01107937U (en) | 1988-01-12 | 1988-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01107937U (en) |
-
1988
- 1988-01-12 JP JP302288U patent/JPH01107937U/ja active Pending
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