JPH0527083B2 - - Google Patents
Info
- Publication number
- JPH0527083B2 JPH0527083B2 JP57223507A JP22350782A JPH0527083B2 JP H0527083 B2 JPH0527083 B2 JP H0527083B2 JP 57223507 A JP57223507 A JP 57223507A JP 22350782 A JP22350782 A JP 22350782A JP H0527083 B2 JPH0527083 B2 JP H0527083B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- layer
- focus detection
- interference filter
- infrared
- 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.)
- Expired - Lifetime
Links
- 230000003595 spectral effect Effects 0.000 claims description 40
- 238000001514 detection method Methods 0.000 claims description 37
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000002834 transmittance Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 24
- 230000004075 alteration Effects 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 239000000758 substrate Substances 0.000 description 11
- 125000006850 spacer group Chemical group 0.000 description 9
- 230000035945 sensitivity Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Optical Elements Other Than Lenses (AREA)
- Optical Filters (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22350782A JPS59113421A (ja) | 1982-12-20 | 1982-12-20 | 焦点検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22350782A JPS59113421A (ja) | 1982-12-20 | 1982-12-20 | 焦点検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59113421A JPS59113421A (ja) | 1984-06-30 |
| JPH0527083B2 true JPH0527083B2 (US20070167544A1-20070719-C00007.png) | 1993-04-20 |
Family
ID=16799223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22350782A Granted JPS59113421A (ja) | 1982-12-20 | 1982-12-20 | 焦点検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59113421A (US20070167544A1-20070719-C00007.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0751729Y2 (ja) * | 1989-11-25 | 1995-11-22 | 浜松ホトニクス株式会社 | 光電子増倍管 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49135644A (US20070167544A1-20070719-C00007.png) * | 1972-11-09 | 1974-12-27 | ||
| JPS5338339A (en) * | 1976-09-21 | 1978-04-08 | Nippon Chemical Ind | Beam switch using electrochromic cell |
-
1982
- 1982-12-20 JP JP22350782A patent/JPS59113421A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49135644A (US20070167544A1-20070719-C00007.png) * | 1972-11-09 | 1974-12-27 | ||
| JPS5338339A (en) * | 1976-09-21 | 1978-04-08 | Nippon Chemical Ind | Beam switch using electrochromic cell |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59113421A (ja) | 1984-06-30 |
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