JPH01149644U - - Google Patents
Info
- Publication number
- JPH01149644U JPH01149644U JP4749988U JP4749988U JPH01149644U JP H01149644 U JPH01149644 U JP H01149644U JP 4749988 U JP4749988 U JP 4749988U JP 4749988 U JP4749988 U JP 4749988U JP H01149644 U JPH01149644 U JP H01149644U
- Authority
- JP
- Japan
- Prior art keywords
- infrared
- lens
- infrared rays
- rays
- detection element
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 238000003331 infrared imaging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Radiation Pyrometers (AREA)
Description
第１図Ａはこの考案の一実施例の構成を示す図
、第１図Ｂは第１図Ａに示すものの出力信号を示
す図、第２図はフイルタ特性を説明するための図
、第３図Ａは従来の構成を示す図、第３図Ｂは第
３図Ａに示すものの出力信号を示す図であり、図
において、１は赤外レンズ、２はウインド、３は
デユア、４はコールドシールド、５は赤外線検出
素子、７はウインドはフイルタの透過率曲線、８
はこの光学系の光学中心である。なお、図中、同
一あるいは相当する部分は同一符号を付して示し
てある。
FIG. 1A is a diagram showing the configuration of an embodiment of this invention, FIG. 1B is a diagram showing the output signal of the device shown in FIG. 1A, FIG. 2 is a diagram for explaining filter characteristics, and FIG. Figure A is a diagram showing the conventional configuration, and Figure 3B is a diagram showing the output signal of the one shown in Figure 3A. In the figure, 1 is an infrared lens, 2 is a window, 3 is a dual, and 4 is a cold Shield, 5 is infrared detection element, 7 is window is transmittance curve of filter, 8
is the optical center of this optical system. In the drawings, the same or corresponding parts are designated by the same reference numerals.
Claims (1)
ズからの赤外線の入射角度を制限するコールドシ
ールドと、前記コールドシールドを通過した赤外
線を検出するための赤外線検出素子と、前記赤外
線検出素子を冷却し、赤外線を透過させるための
ウインドを持つたデユアと、前記赤外レンズを透
過することによつて起こるシエーデイングを補正
するためのフイルタ及び前記デユアのウインドを
兼用したフイルタを有することを特徴とする赤外
線撮像装置用光学系。 an infrared lens that condenses infrared rays, a cold shield that limits the incident angle of the infrared rays from the infrared lens, an infrared detection element that detects the infrared rays that have passed through the cold shield, and cooling the infrared detection element. The infrared rays may be transmitted through the infrared lens, and the infrared rays may be transmitted through the infrared lens. Optical system for infrared imaging devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4749988U JPH01149644U (en) | 1988-04-08 | 1988-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4749988U JPH01149644U (en) | 1988-04-08 | 1988-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01149644U true JPH01149644U (en) | 1989-10-17 |
Family
ID=31273702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4749988U Pending JPH01149644U (en) | 1988-04-08 | 1988-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01149644U (en) |
-
1988
- 1988-04-08 JP JP4749988U patent/JPH01149644U/ja active Pending
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