BE678819A - - Google Patents
Info
- Publication number
- BE678819A BE678819A BE678819DA BE678819A BE 678819 A BE678819 A BE 678819A BE 678819D A BE678819D A BE 678819DA BE 678819 A BE678819 A BE 678819A
- Authority
- BE
- Belgium
- Prior art keywords
- layers
- diffraction
- layer
- diffraction index
- wavelength
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 21
- 230000005855 radiation Effects 0.000 claims description 9
- 239000003989 dielectric material Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 description 17
- 239000006185 dispersion Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 241000287107 Passer Species 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- GBECUEIQVRDUKB-UHFFFAOYSA-M thallium monochloride Chemical compound [Tl]Cl GBECUEIQVRDUKB-UHFFFAOYSA-M 0.000 description 1
- PGAPATLGJSQQBU-UHFFFAOYSA-M thallium(i) bromide Chemical compound [Tl]Br PGAPATLGJSQQBU-UHFFFAOYSA-M 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/281—Interference filters designed for the infrared light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44475065A | 1965-04-01 | 1965-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE678819A true BE678819A (enrdf_load_stackoverflow) | 1966-09-30 |
Family
ID=23766198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE678819D BE678819A (enrdf_load_stackoverflow) | 1965-04-01 | 1966-03-31 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE678819A (enrdf_load_stackoverflow) |
| NL (1) | NL6604089A (enrdf_load_stackoverflow) |
-
1966
- 1966-03-29 NL NL6604089A patent/NL6604089A/xx unknown
- 1966-03-31 BE BE678819D patent/BE678819A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6604089A (enrdf_load_stackoverflow) | 1966-10-03 |
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