IL88374A - Infrared lens system - Google Patents
Infrared lens systemInfo
- Publication number
- IL88374A IL88374A IL8837488A IL8837488A IL88374A IL 88374 A IL88374 A IL 88374A IL 8837488 A IL8837488 A IL 8837488A IL 8837488 A IL8837488 A IL 8837488A IL 88374 A IL88374 A IL 88374A
- Authority
- IL
- Israel
- Prior art keywords
- lens
- triplet
- micrometer
- zinc
- germanium
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 17
- 229910052732 germanium Inorganic materials 0.000 claims description 16
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 16
- 238000003384 imaging method Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 11
- 239000005083 Zinc sulfide Substances 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 9
- 239000011701 zinc Substances 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- 229910052984 zinc sulfide Inorganic materials 0.000 claims description 9
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 8
- 230000004075 alteration Effects 0.000 claims description 8
- 150000004771 selenides Chemical class 0.000 claims description 8
- 230000003595 spectral effect Effects 0.000 claims description 8
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 claims description 7
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 6
- 239000011669 selenium Substances 0.000 claims description 6
- 229910052711 selenium Inorganic materials 0.000 claims description 6
- 239000005387 chalcogenide glass Substances 0.000 claims description 5
- 150000004763 sulfides Chemical class 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 229910052787 antimony Inorganic materials 0.000 claims 4
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims 1
- 229910052785 arsenic Inorganic materials 0.000 claims 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims 1
- 150000004770 chalcogenides Chemical class 0.000 claims 1
- 238000009472 formulation Methods 0.000 description 9
- 230000035945 sensitivity Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000003331 infrared imaging Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- -1 zinc chalcogenide Chemical class 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
- G02B13/146—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation with corrections for use in multiple wavelength bands, such as infrared and visible light, e.g. FLIR systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12295387A | 1987-11-19 | 1987-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL88374A true IL88374A (en) | 1994-06-24 |
Family
ID=22405872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL8837488A IL88374A (en) | 1987-11-19 | 1988-11-14 | Infrared lens system |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0317363B1 (fr) |
| DE (1) | DE3889079T2 (fr) |
| IL (1) | IL88374A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4999005A (en) * | 1988-10-19 | 1991-03-12 | Cooper Erwin E | Wide band color correcting infrared lens system |
| US4989962A (en) * | 1988-10-31 | 1991-02-05 | Hughes Aircraft Company | Dual band/dual FOV infrared telescope |
| US20150205078A1 (en) * | 2012-07-16 | 2015-07-23 | Mbda Uk Limited | Infrared objective for use in a remote sensor platform |
| CN107601901A (zh) * | 2017-09-19 | 2018-01-19 | 武汉理工大学 | 一种玻璃陶瓷及其制备方法和作为红外窗口材料的应用 |
| EP3746414A4 (fr) * | 2018-01-29 | 2021-11-03 | Rail Vision Ltd | Lentille à faible indice de réfraction et de poids léger et son procédé de production |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3360649A (en) * | 1965-04-22 | 1967-12-26 | Texas Instruments Inc | Ge-sb-se glass compositions |
| DE3008343A1 (de) * | 1980-03-05 | 1981-09-17 | Fa. Carl Zeiss, 7920 Heidenheim | Apochromatisches infrarotobjektiv |
| GB8417993D0 (en) * | 1984-07-14 | 1984-08-15 | Pilkington Perkin Elmer Ltd | Infra-red lenses |
-
1988
- 1988-11-14 IL IL8837488A patent/IL88374A/en not_active IP Right Cessation
- 1988-11-21 DE DE19883889079 patent/DE3889079T2/de not_active Expired - Lifetime
- 1988-11-21 EP EP19880310974 patent/EP0317363B1/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0317363B1 (fr) | 1994-04-13 |
| DE3889079T2 (de) | 1994-07-28 |
| EP0317363A2 (fr) | 1989-05-24 |
| DE3889079D1 (de) | 1994-05-19 |
| EP0317363A3 (en) | 1990-02-07 |
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| Wynne | Shorter than a Schmidt | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HP | Change in proprietorship | ||
| HC | Change of name of proprietor(s) | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| EXP | Patent expired |