JPH0445932U - - Google Patents
Info
- Publication number
- JPH0445932U JPH0445932U JP8709790U JP8709790U JPH0445932U JP H0445932 U JPH0445932 U JP H0445932U JP 8709790 U JP8709790 U JP 8709790U JP 8709790 U JP8709790 U JP 8709790U JP H0445932 U JPH0445932 U JP H0445932U
- Authority
- JP
- Japan
- Prior art keywords
- polarized light
- generating
- beam splitter
- signal
- square
- 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
- 230000003287 optical effect Effects 0.000 claims 3
- 230000010287 polarization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図及び第２図は本考案に係る旋光計の一実
施例に係り、第１図は旋光計の構成を示すブロツ
ク図、第２図は偏光ビームスプリツタ２４Ａの前
後の電気ベクトル振動方向を示す図である。第３
図は従来の旋光計の構成を示すブロツク図である
。
図中、１０は光源、１２はコリメートレンズ、
１４はフイルタ、１６は偏光子、１８は発振回路
、２０はフアラデーセル、２２は試料、２４は検
光子、２４Ａは偏光ビームスプリツタ、２６，２
６Ａ，２６Ｂは光検出器、４０は差動増幅器。
1 and 2 relate to an embodiment of a polarimeter according to the present invention, FIG. 1 is a block diagram showing the configuration of the polarimeter, and FIG. 2 is an electric vector vibration direction before and after the polarizing beam splitter 24A. FIG. Third
The figure is a block diagram showing the configuration of a conventional polarimeter. In the figure, 10 is a light source, 12 is a collimating lens,
14 is a filter, 16 is a polarizer, 18 is an oscillation circuit, 20 is a Faraday cell, 22 is a sample, 24 is an analyzer, 24A is a polarizing beam splitter, 26,2
6A and 26B are photodetectors, and 40 is a differential amplifier.
Claims (1)
る偏光ビームスプリツタ２４Ａと、 分割された該ｐ偏光の強度を検出する第１光検
出器２６Ａと、 分割された該ｓ偏光の強度を検出する第２光検
出器２６Ｂと、 該第１及び第２の光検出器の出力の差に比例し
た信号Ｓ１を生成する手段４０，４２と、 該偏光ビームスプリツタに入射する光の強度に
比例した信号Ｓ２を生成する手段４４と、 Ｓ１／Ｓ２に比例した信号を旋光角θとして出
力する手段４６〜５０とを有し、 該直線偏光生成手段と該偏光ビームスプリツタ
との間の光路内に試料２２を配置し、該試料が光
路外に在るときに、分割された該ｐ偏光とｓ偏光
の両者の強度が等しくなるように該偏光ビームス
プリツタを配置したことを特徴とする旋光計。 ２ 前記信号Ｓ１を生成する手段は、前記第１検
出器の出力の平方と、前記第２検出器の出力の平
方との和の平方を、演算により求めることを特徴
とする請求項１記載の旋光計。[Claims for Utility Model Registration] 1. Means 10 to 16 for generating linearly polarized light; a polarizing beam splitter 24A for splitting the linearly polarized light into a p-polarized light component and an s-polarized light component; a first photodetector 26A for detecting; a second photodetector 26B for detecting the intensity of the divided s-polarized light; and a signal S1 proportional to the difference between the outputs of the first and second photodetectors. means 40, 42 for generating, means 44 for generating a signal S2 proportional to the intensity of light incident on the polarizing beam splitter, and means 46 for outputting a signal proportional to S1 / S2 as an optical rotation angle θ. 50, a sample 22 is placed in the optical path between the linearly polarized light generating means and the polarized beam splitter, and when the sample is outside the optical path, the split p-polarized light and s A polarimeter characterized in that the polarization beam splitter is arranged so that the intensities of both polarized lights are equal. 2. The means for generating the signal S1 calculates the square of the sum of the square of the output of the first detector and the square of the output of the second detector by calculation. polarimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8709790U JPH0445932U (en) | 1990-08-21 | 1990-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8709790U JPH0445932U (en) | 1990-08-21 | 1990-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0445932U true JPH0445932U (en) | 1992-04-20 |
Family
ID=31819164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8709790U Pending JPH0445932U (en) | 1990-08-21 | 1990-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445932U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6183924A (en) * | 1984-09-29 | 1986-04-28 | Shimadzu Corp | Optical rotation measuring device |
-
1990
- 1990-08-21 JP JP8709790U patent/JPH0445932U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6183924A (en) * | 1984-09-29 | 1986-04-28 | Shimadzu Corp | Optical rotation measuring device |
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