JPS6454425A - Light guide element - Google Patents
Light guide elementInfo
- Publication number
- JPS6454425A JPS6454425A JP21113887A JP21113887A JPS6454425A JP S6454425 A JPS6454425 A JP S6454425A JP 21113887 A JP21113887 A JP 21113887A JP 21113887 A JP21113887 A JP 21113887A JP S6454425 A JPS6454425 A JP S6454425A
- Authority
- JP
- Japan
- Prior art keywords
- light
- light beam
- substrate
- diffraction grating
- transparent material
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21113887A JPS6454425A (en) | 1987-08-25 | 1987-08-25 | Light guide element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21113887A JPS6454425A (en) | 1987-08-25 | 1987-08-25 | Light guide element |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6454425A true JPS6454425A (en) | 1989-03-01 |
Family
ID=16601012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21113887A Pending JPS6454425A (en) | 1987-08-25 | 1987-08-25 | Light guide element |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6454425A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6990275B2 (en) | 2003-02-14 | 2006-01-24 | Avanex Corporation | Stray light absorber including grating array |
JP2014194435A (ja) * | 2014-07-01 | 2014-10-09 | Toshiba Corp | 光導波路型バイオケミカルセンサチップ |
-
1987
- 1987-08-25 JP JP21113887A patent/JPS6454425A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6990275B2 (en) | 2003-02-14 | 2006-01-24 | Avanex Corporation | Stray light absorber including grating array |
JP2014194435A (ja) * | 2014-07-01 | 2014-10-09 | Toshiba Corp | 光導波路型バイオケミカルセンサチップ |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0309689A2 (en) | Optical pickup and hologram therefor | |
HK147095A (en) | Apparatus for optically scanning an information plane | |
EP0322654A3 (en) | Spectrometer using concave holographic diffraction grating | |
GB1465579A (en) | Tape recording and/or playback instruments | |
GB8320629D0 (en) | Displacement measuring apparatus | |
KR930016964A (ko) | 광 정보 기록 및 재생장치 | |
JPS6454425A (en) | Light guide element | |
EP1619678A4 (en) | DIFFRACTION ELEMENT AND OPTICAL HEAD DEVICE | |
JPS56158319A (en) | Light projecting device | |
KR100326688B1 (ko) | 광주사장치및방사원검출장치 | |
DE3166368D1 (en) | Arrangement for representing the result of count-on-drum counters in the form of electric signals | |
JPS57111509A (en) | Fine space positioning device of information retrieval device | |
JPS5320904A (en) | Optical information reader | |
EP0453778A3 (en) | Angle measuring device | |
JPS57210458A (en) | Optical reader | |
JPS6453359A (en) | Optical pickup device | |
IT8022305A0 (it) | Videodisco ottico per registrazione e lettura a due differenti lunghezze d'onda. | |
JPH0495233A (ja) | 光学式ピックアップ装置 | |
JPS64417A (en) | Optical encoder | |
JPS5327003A (en) | Optical informati on reader | |
JPS55101143A (en) | Optical reproducing disc | |
JPS57173808A (en) | Image reader | |
KR970060095A (ko) | 위상 개구를 이용한 광픽업장치 | |
JPS52123642A (en) | Optical path adjuster for laser beams | |
JPS6437731A (en) | Optical information recording and reproducing device |