ES2051224A2 - Filtro interferencial de banda estrecha con material fotorrefractivo. - Google Patents
Filtro interferencial de banda estrecha con material fotorrefractivo.Info
- Publication number
- ES2051224A2 ES2051224A2 ES09201336A ES9201336A ES2051224A2 ES 2051224 A2 ES2051224 A2 ES 2051224A2 ES 09201336 A ES09201336 A ES 09201336A ES 9201336 A ES9201336 A ES 9201336A ES 2051224 A2 ES2051224 A2 ES 2051224A2
- Authority
- ES
- Spain
- Prior art keywords
- narrow
- photorefractive material
- photorefractive
- refractive index
- interference filter
- 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.)
- Granted
Links
Landscapes
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Holo Graphy (AREA)
Abstract
FILTRO INTERFERENCIAL DE BANDA ESTRECHA CON MATERIAL FOTORREFRACTIVO ESTA REALIZADO GRABANDO UNA RED HOLOGRAFICA EN UN MATERIAL FOTORREFRACTIVO, LA CUAL POSTERIORMENTE ES FIJADA CON UN TRATAMIENTO TERMICO. MEDIANTE DOS HACES (13) Y (14), INCIDIENDO EN EL MATERIAL FOTORREFRACTIVO (23), PRODUCEN UNA VARIACION DE LA INTENSIDAD LUMINOSA ESTACIONARIA EN SU INTERIOR. ESTA MODULACION CAMBIA EL INDICE DE REFRACCION POR EFECTO FOTORREFRACTIVO. EFECTUANDO ESTE PROCESO A ALTA TEMPERATURA (180 C), RESULTA UNA FIJACION DE LA MODULACION DE INDICE DE REFRACCION. EL DISPOSITIVO REFLEJA UNA BANDA ESTRECHA DE LONGITUDES DE ONDA REFLEJADOS, CON EL MAXIMO EN DOS VECES EL ESPACIADO DE LAS FRANJAS DE INDICE DE REFRACCION. SE CONSIGUE UNA SINTONIZACION DE LA BANDA FILTRADA USANDO EL EFECTO PIEZOELECTRICO INVERSO DEL MATERIAL.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9201336A ES2051224B1 (es) | 1992-06-25 | 1992-06-25 | Filtro interferencial de banda estrecha con material fotorrefractivo. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9201336A ES2051224B1 (es) | 1992-06-25 | 1992-06-25 | Filtro interferencial de banda estrecha con material fotorrefractivo. |
Publications (3)
Publication Number | Publication Date |
---|---|
ES2051224A2 true ES2051224A2 (es) | 1994-06-01 |
ES2051224R ES2051224R (es) | 1996-12-01 |
ES2051224B1 ES2051224B1 (es) | 1997-07-01 |
Family
ID=8277470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9201336A Expired - Fee Related ES2051224B1 (es) | 1992-06-25 | 1992-06-25 | Filtro interferencial de banda estrecha con material fotorrefractivo. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2051224B1 (es) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2054195A (en) * | 1979-07-11 | 1981-02-11 | Aga Ab | Colour Selective Directional Mirrors |
US4412719A (en) * | 1981-04-10 | 1983-11-01 | Environmental Research Institute Of Michigan | Method and article having predetermined net reflectance characteristics |
FR2529688A1 (fr) * | 1982-06-30 | 1984-01-06 | Honeywell Inc | Imageur optique |
US4752130A (en) * | 1986-10-24 | 1988-06-21 | The University Of Rochester | Optical systems utilizing a volume transmission diffraction element to provide wavelength tuning |
EP0373820A2 (en) * | 1988-12-16 | 1990-06-20 | Hughes Aircraft Company | Filter device employing a holographic element |
WO1991004506A1 (en) * | 1989-09-18 | 1991-04-04 | Gec-Marconi Limited | Optical filters |
EP0442206A2 (en) * | 1990-01-12 | 1991-08-21 | Physical Optics Corporation | Holographic filter |
-
1992
- 1992-06-25 ES ES9201336A patent/ES2051224B1/es not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2054195A (en) * | 1979-07-11 | 1981-02-11 | Aga Ab | Colour Selective Directional Mirrors |
US4412719A (en) * | 1981-04-10 | 1983-11-01 | Environmental Research Institute Of Michigan | Method and article having predetermined net reflectance characteristics |
FR2529688A1 (fr) * | 1982-06-30 | 1984-01-06 | Honeywell Inc | Imageur optique |
US4752130A (en) * | 1986-10-24 | 1988-06-21 | The University Of Rochester | Optical systems utilizing a volume transmission diffraction element to provide wavelength tuning |
EP0373820A2 (en) * | 1988-12-16 | 1990-06-20 | Hughes Aircraft Company | Filter device employing a holographic element |
WO1991004506A1 (en) * | 1989-09-18 | 1991-04-04 | Gec-Marconi Limited | Optical filters |
EP0442206A2 (en) * | 1990-01-12 | 1991-08-21 | Physical Optics Corporation | Holographic filter |
Also Published As
Publication number | Publication date |
---|---|
ES2051224B1 (es) | 1997-07-01 |
ES2051224R (es) | 1996-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 19940601 Kind code of ref document: R Effective date: 19940601 |
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FD2A | Announcement of lapse in spain |
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