JPS59162646U - Optical birefringence measuring device - Google Patents
Optical birefringence measuring deviceInfo
- Publication number
- JPS59162646U JPS59162646U JP5685983U JP5685983U JPS59162646U JP S59162646 U JPS59162646 U JP S59162646U JP 5685983 U JP5685983 U JP 5685983U JP 5685983 U JP5685983 U JP 5685983U JP S59162646 U JPS59162646 U JP S59162646U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical birefringence
- measuring device
- birefringence measuring
- separating
- 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
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の複屈折量測定装置の概略構成図、第２図
は従来の複屈折量測定装置における偏光子、検光子の偏
光方向と被測定物の結晶方向の関係を示すベクトル図、
第３図は本考案の一実施例に係る光学的複屈折量測定装
置の概略構成図である。
１・・・・・・光ビーム光源、Ａ・・・・・・光ビーム
、５・・・・・・光検出器、６・・・・・・偏光ビーム
スプリッタ、７・・・・・・４分の１波長板、８・・・
・・・被測定物、９・・・・・・鏡面。Fig. 1 is a schematic configuration diagram of a conventional birefringence measurement device, and Fig. 2 is a vector diagram showing the relationship between the polarization direction of the polarizer and analyzer and the crystal direction of the object to be measured in the conventional birefringence measurement device.
FIG. 3 is a schematic diagram of an optical birefringence measuring device according to an embodiment of the present invention. 1...Light beam light source, A...Light beam, 5...Photodetector, 6...Polarizing beam splitter, 7... Quarter wavelength plate, 8...
...Object to be measured, 9...Mirror surface.
Claims (2)
光と反射光をその偏光方向の違いによって会離すること
ができる光分離手段と、その分離手段によって分離され
た反射光の強度を測定する光検出器を具備してなること
を特徴とする光学的複屈折量測定装置。(1) A light beam light source, a light separation means capable of separating the incident light and the reflected light from the object to be measured having a mirror surface based on the difference in their polarization directions, and the intensity of the reflected light separated by the separation means. 1. An optical birefringence measurement device comprising a photodetector for measuring the amount of birefringence.
１波長板を用いた事を特徴とする実用新案登録請求の範
囲第（１）項記載の光学的複屈折量測定装置。(2) The optical birefringence measuring device according to claim (1), which is characterized in that a polarizing beam splitter and a quarter wavelength plate are used as the separating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5685983U JPS59162646U (en) | 1983-04-15 | 1983-04-15 | Optical birefringence measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5685983U JPS59162646U (en) | 1983-04-15 | 1983-04-15 | Optical birefringence measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59162646U true JPS59162646U (en) | 1984-10-31 |
Family
ID=30187177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5685983U Pending JPS59162646U (en) | 1983-04-15 | 1983-04-15 | Optical birefringence measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59162646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62203046A (en) * | 1986-03-03 | 1987-09-07 | Olympus Optical Co Ltd | Apparatus and method for measuring refractive index of substrate for optical recording medium |
-
1983
- 1983-04-15 JP JP5685983U patent/JPS59162646U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62203046A (en) * | 1986-03-03 | 1987-09-07 | Olympus Optical Co Ltd | Apparatus and method for measuring refractive index of substrate for optical recording medium |
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