JPS6237726U - - Google Patents
Info
- Publication number
- JPS6237726U JPS6237726U JP12974285U JP12974285U JPS6237726U JP S6237726 U JPS6237726 U JP S6237726U JP 12974285 U JP12974285 U JP 12974285U JP 12974285 U JP12974285 U JP 12974285U JP S6237726 U JPS6237726 U JP S6237726U
- Authority
- JP
- Japan
- Prior art keywords
- concave mirror
- reflected
- diffraction grating
- light
- distance
- 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
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- Spectrometry And Color Measurement (AREA)
Description
第１図はこの考案による実施例の構成図、第２
図はリトロー形分光器の構成図、第３図は迷光９
が発生している状態図、第４図は第３図の出射光
８のスペクトラム、第５図は迷光除去具１０の外
観図、第６図は第１図の出射光８のスペクトラム
。
１…光源、２…レンズ、３…スリツト、４…平
面鏡、５…凹面鏡、６…回折格子、７…出射口、
８…出射光、９…迷光、１０…迷光除去具。
Figure 1 is a configuration diagram of an embodiment according to this invention, Figure 2
The figure shows the configuration of a Littrow spectrometer, and Figure 3 shows stray light 9.
FIG. 4 shows the spectrum of the emitted light 8 shown in FIG. 3, FIG. 5 shows an external view of the stray light remover 10, and FIG. 6 shows the spectrum of the emitted light 8 shown in FIG. 1... Light source, 2... Lens, 3... Slit, 4... Plane mirror, 5... Concave mirror, 6... Diffraction grating, 7... Output aperture,
8... Outgoing light, 9... Stray light, 10... Stray light remover.
Claims (1)
反射光を回折格子に当てて反射させ、前記回折格
子を回転することにより前記回折格子の反射光を
前記凹面鏡で再反射し、前記凹面鏡の再反射光を
出射口に集光するリトロー形分光器において、 前記凹面鏡の前面中央に配置する帯状の迷光除
去具を備え、 前記凹面鏡と前記回折格子の距離をＬ１、前記
回折格子と前記出射口の距離をＬ２としたとき、
前記凹面鏡の前に（Ｌ１―Ｌ２）の距離で前記迷
光除去具を保持することを特徴とするリトロー形
分光器の迷光除去具。[Claims for Utility Model Registration] Light from a light source is reflected by a concave mirror, the reflected light from the concave mirror is reflected by a diffraction grating, and by rotating the diffraction grating, the reflected light from the diffraction grating is reflected by the concave mirror. A Littrow spectrometer that re-reflects and condenses the re-reflected light of the concave mirror onto an exit aperture, comprising: a strip-shaped stray light remover disposed at the center of the front surface of the concave mirror; the distance between the concave mirror and the diffraction grating is L1; When the distance between the diffraction grating and the exit aperture is L2,
A stray light remover for a Littrow spectrometer, characterized in that the stray light remover is held at a distance (L1-L2) in front of the concave mirror.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12974285U JPS6237726U (en) | 1985-08-26 | 1985-08-26 | |
| US06/894,610 US4717254A (en) | 1985-08-26 | 1986-08-07 | Stray-light suppressor for Littrow spectroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12974285U JPS6237726U (en) | 1985-08-26 | 1985-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6237726U true JPS6237726U (en) | 1987-03-06 |
Family
ID=31026586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12974285U Pending JPS6237726U (en) | 1985-08-26 | 1985-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6237726U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5040550A (en) * | 1972-11-20 | 1975-04-14 |
-
1985
- 1985-08-26 JP JP12974285U patent/JPS6237726U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5040550A (en) * | 1972-11-20 | 1975-04-14 |