HU189042B - Band-pass interference filter - Google Patents
Band-pass interference filter Download PDFInfo
- Publication number
- HU189042B HU189042B HU54384A HU54384A HU189042B HU 189042 B HU189042 B HU 189042B HU 54384 A HU54384 A HU 54384A HU 54384 A HU54384 A HU 54384A HU 189042 B HU189042 B HU 189042B
- Authority
- HU
- Hungary
- Prior art keywords
- layers
- layer
- interference
- groups
- optical
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims abstract 32
- 239000006059 cover glass Substances 0.000 claims description 10
- 239000011229 interlayer Substances 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 abstract description 22
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 239000002356 single layer Substances 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 229910001610 cryolite Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 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
- G02B5/285—Interference filters comprising deposited thin solid films
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
Abstract
Die Erfindung betrifft Interferenzfilter mit einem Durchlassband zur Verwendung in optischen Anordnungen und Geraeten fuer den UV-, VIS- und NIR-Bereich. Ziel der Erfindung ist es, die Qualitaet dieser Interferenzfilter zu erhoehen. Die Aufgabe der Erfindung besteht darin, Interferenzfilter mit verminderter Absorptionsbandenstruktur und dadurch erhoehter Transmission im Durchlassbereich bei gleichzeitig hoher Sperrwirkung der Seitensperrbereiche zu schaffen. Sie wurde durch ein Interferenzschichtsystem dadurch geloest, dass in mindestens einer aeusseren Filterschichtgruppe des Interferenzschichtsystems gegenueber mindestens einer inneren Filterschichtgruppe die Anzahl der Einzelschichten um die aeusseren Schichten verringert ist und/oder die optische Schichtdicke der mittleren Einzelschicht von mindestens einer aeusseren Filterschichtgruppe geringer als die optische Dicke der mittleren Einzelschicht von mindestens einer inneren Filterschichtgruppe ist.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD24948883A DD226742A3 (de) | 1983-04-04 | 1983-04-04 | Interferenzfilter mit einem durchlassband |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HUT35856A HUT35856A (en) | 1985-07-29 |
| HU189042B true HU189042B (en) | 1986-06-30 |
Family
ID=5546162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU54384A HU189042B (en) | 1983-04-04 | 1984-02-10 | Band-pass interference filter |
Country Status (6)
| Country | Link |
|---|---|
| BG (1) | BG49135A1 (de) |
| DD (1) | DD226742A3 (de) |
| DE (1) | DE3401914A1 (de) |
| FR (1) | FR2543696B1 (de) |
| GB (1) | GB2137769B (de) |
| HU (1) | HU189042B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2599518B1 (fr) * | 1986-05-27 | 1989-10-06 | Aguilera Serge | Procede et dispositif de refraction et de polarisation de la lumiere |
| US5144498A (en) * | 1990-02-14 | 1992-09-01 | Hewlett-Packard Company | Variable wavelength light filter and sensor system |
| US6018421A (en) * | 1995-06-28 | 2000-01-25 | Cushing; David Henry | Multilayer thin film bandpass filter |
| US5719989A (en) * | 1995-06-28 | 1998-02-17 | Jds Fitel Inc. | Multilayer thin film bandpass filter |
| US5999322A (en) * | 1995-06-28 | 1999-12-07 | Cushing; David Henry | Multilayer thin film bandpass filter |
| US6859323B1 (en) | 2003-12-11 | 2005-02-22 | Optical Coating Laboratory, Inc. | Dichroic neutral density optical filter |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE902191C (de) * | 1949-10-29 | 1954-03-15 | Jenaer Glaswerk Schott & Gen | Interferenzfilter mit verminderter Bandenstruktur |
| CH502603A (de) * | 1969-12-17 | 1971-01-31 | Balzers Patent Beteilig Ag | Vielschichtinterferenzlichtfilter mit einem breitbandigen spektralen Transmissionsbereich |
| GB2027925B (en) * | 1978-08-03 | 1983-01-19 | Marconi Co Ltd | Optical filters |
| US4229066A (en) * | 1978-09-20 | 1980-10-21 | Optical Coating Laboratory, Inc. | Visible transmitting and infrared reflecting filter |
| DD153511A3 (de) * | 1980-02-01 | 1982-01-13 | Erich Dummernix | Interferenzspiegel mit hoher reflexion fuer mehrere spektralbaender |
| US4373782A (en) * | 1980-06-03 | 1983-02-15 | Optical Coating Laboratory, Inc. | Non-polarizing thin film edge filter |
| CA1177704A (en) * | 1981-07-20 | 1984-11-13 | James D. Rancourt | Optical coatings for high temperature applications |
-
1983
- 1983-04-04 DD DD24948883A patent/DD226742A3/de not_active IP Right Cessation
-
1984
- 1984-01-20 DE DE19843401914 patent/DE3401914A1/de not_active Withdrawn
- 1984-02-10 HU HU54384A patent/HU189042B/hu not_active IP Right Cessation
- 1984-02-13 BG BG6423484A patent/BG49135A1/xx unknown
- 1984-03-27 GB GB08407916A patent/GB2137769B/en not_active Expired
- 1984-03-30 FR FR8405078A patent/FR2543696B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3401914A1 (de) | 1984-10-04 |
| FR2543696A1 (fr) | 1984-10-05 |
| DD226742A3 (de) | 1985-08-28 |
| FR2543696B1 (fr) | 1987-03-27 |
| GB2137769B (en) | 1986-11-05 |
| BG49135A1 (en) | 1991-08-15 |
| HUT35856A (en) | 1985-07-29 |
| GB2137769A (en) | 1984-10-10 |
| GB8407916D0 (en) | 1984-05-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HU90 | Patent valid on 900628 | ||
| HMM4 | Cancellation of final prot. due to non-payment of fee |