JPS6480908A - Spectral element - Google Patents
Spectral elementInfo
- Publication number
- JPS6480908A JPS6480908A JP23952487A JP23952487A JPS6480908A JP S6480908 A JPS6480908 A JP S6480908A JP 23952487 A JP23952487 A JP 23952487A JP 23952487 A JP23952487 A JP 23952487A JP S6480908 A JPS6480908 A JP S6480908A
- Authority
- JP
- Japan
- Prior art keywords
- film thickness
- sic
- spectral element
- obtd
- films
- 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.)
- Pending
Links
Landscapes
- Spectrometry And Color Measurement (AREA)
- Optical Filters (AREA)
Abstract
PURPOSE:To obtain a spectral element which has high strength and adequate resolving power and does not require intricate optical systems by alternately laminating silicon carbide and carbon of specific film thicknesses at specified film thickness ratios, thereby providing periodic structures to the element. CONSTITUTION:The films of the silicon carbide (SiC) 2 and the carbon (C) 3 are alternately laminated on a substrate 1 respectively at >=1atom. and <=400Angstrom film thickness in such a manner that the film thickness ratio of the SiC 2 and the C 3 attains 0.1-10 to provide the periodic structures to the films. At least the film thickness of one atom layer is necessary for the film thicknesses of the SiC 2 and C 3 layers. The min. film thickness is limited to 2Angstrom and the max. required film thickness to 1,000Angstrom as the limit at which the interference effect to rays of <=500Angstrom wavelength is obtainable. Furthermore, the effective reflectivity is not obtd. if the film thickness ratio exceeds 0.1-10. The spectral element which has the high strength and the adequate resolving power and does not require the intricate optical systems is thereby obtd.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23952487A JPS6480908A (en) | 1987-09-22 | 1987-09-22 | Spectral element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23952487A JPS6480908A (en) | 1987-09-22 | 1987-09-22 | Spectral element |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6480908A true JPS6480908A (en) | 1989-03-27 |
Family
ID=17046082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23952487A Pending JPS6480908A (en) | 1987-09-22 | 1987-09-22 | Spectral element |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6480908A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05164613A (en) * | 1991-12-16 | 1993-06-29 | Shin Etsu Handotai Co Ltd | Fourier-transformation infrared spectroscopic measuring method |
US6262830B1 (en) | 1997-09-16 | 2001-07-17 | Michael Scalora | Transparent metallo-dielectric photonic band gap structure |
US6304366B1 (en) | 1998-04-02 | 2001-10-16 | Michael Scalora | Photonic signal frequency conversion using a photonic band gap structure |
US6339493B1 (en) | 1999-12-23 | 2002-01-15 | Michael Scalora | Apparatus and method for controlling optics propagation based on a transparent metal stack |
US6343167B1 (en) | 1997-10-24 | 2002-01-29 | Michael Scalora | Photonic band gap device and method using a periodicity defect region to increase photonic signal delay |
US6396617B1 (en) | 1999-05-17 | 2002-05-28 | Michael Scalora | Photonic band gap device and method using a periodicity defect region doped with a gain medium to increase photonic signal delay |
US6414780B1 (en) | 1999-12-23 | 2002-07-02 | D'aguanno Giuseppe | Photonic signal reflectivity and transmissivity control using a photonic band gap structure |
US6538794B1 (en) | 1999-09-30 | 2003-03-25 | D'aguanno Giuseppe | Efficient non-linear phase shifting using a photonic band gap structure |
-
1987
- 1987-09-22 JP JP23952487A patent/JPS6480908A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05164613A (en) * | 1991-12-16 | 1993-06-29 | Shin Etsu Handotai Co Ltd | Fourier-transformation infrared spectroscopic measuring method |
US6262830B1 (en) | 1997-09-16 | 2001-07-17 | Michael Scalora | Transparent metallo-dielectric photonic band gap structure |
US6343167B1 (en) | 1997-10-24 | 2002-01-29 | Michael Scalora | Photonic band gap device and method using a periodicity defect region to increase photonic signal delay |
US6304366B1 (en) | 1998-04-02 | 2001-10-16 | Michael Scalora | Photonic signal frequency conversion using a photonic band gap structure |
US6396617B1 (en) | 1999-05-17 | 2002-05-28 | Michael Scalora | Photonic band gap device and method using a periodicity defect region doped with a gain medium to increase photonic signal delay |
US6538794B1 (en) | 1999-09-30 | 2003-03-25 | D'aguanno Giuseppe | Efficient non-linear phase shifting using a photonic band gap structure |
US6339493B1 (en) | 1999-12-23 | 2002-01-15 | Michael Scalora | Apparatus and method for controlling optics propagation based on a transparent metal stack |
US6414780B1 (en) | 1999-12-23 | 2002-07-02 | D'aguanno Giuseppe | Photonic signal reflectivity and transmissivity control using a photonic band gap structure |
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