JPS57103020A - Spectrophotometer - Google Patents
SpectrophotometerInfo
- Publication number
- JPS57103020A JPS57103020A JP18109780A JP18109780A JPS57103020A JP S57103020 A JPS57103020 A JP S57103020A JP 18109780 A JP18109780 A JP 18109780A JP 18109780 A JP18109780 A JP 18109780A JP S57103020 A JPS57103020 A JP S57103020A
- Authority
- JP
- Japan
- Prior art keywords
- light
- spectral sensitivity
- photodiode array
- incident
- light shielding
- 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
- Spectrometry And Color Measurement (AREA)
Abstract
PURPOSE: To make spectral sensitivity flat and make measurement of high sensitivity possible with simple and inexpensive constitution by disposing a light shielding body having a contour resembling to the spectral sensitivity curve of a photodiode array between a grating and self-scanning type photodiode array.
CONSTITUTION: Light out from a light source 2 is paralleled by a lens 3, passes through a sample cell 4 and is condensed onto an incident slit 5. The incident light is conducted by a mirror 6 to a concave grating 7. The dispersed light is made incident through the window 12 of a light shielding plate A for regulation of the quantity of light to a diode array 1, the output whereof is inputted via a control circuit 9 and a data processor 10 to a recoder 11. The plate A consisting of an opaque plastic, metallic plate or the like is provided with such window 12 of which the contour 12a of the light shielding part assumes resemblance with the spectral sensitivity curve of the photodiode array. Thereby, the spectral sensitivity is made flat with the simple and inexpensive constitution and the measurement of high accuracy is made possible.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18109780A JPS57103020A (en) | 1980-12-18 | 1980-12-18 | Spectrophotometer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18109780A JPS57103020A (en) | 1980-12-18 | 1980-12-18 | Spectrophotometer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57103020A true JPS57103020A (en) | 1982-06-26 |
Family
ID=16094773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18109780A Pending JPS57103020A (en) | 1980-12-18 | 1980-12-18 | Spectrophotometer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57103020A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0183831A1 (en) * | 1984-06-04 | 1986-06-11 | Kollmorgen Technologies Corporation | Technique for measuring very small spacings |
-
1980
- 1980-12-18 JP JP18109780A patent/JPS57103020A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0183831A1 (en) * | 1984-06-04 | 1986-06-11 | Kollmorgen Technologies Corporation | Technique for measuring very small spacings |
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