JPH0331090Y2 - - Google Patents
Info
- Publication number
- JPH0331090Y2 JPH0331090Y2 JP2694988U JP2694988U JPH0331090Y2 JP H0331090 Y2 JPH0331090 Y2 JP H0331090Y2 JP 2694988 U JP2694988 U JP 2694988U JP 2694988 U JP2694988 U JP 2694988U JP H0331090 Y2 JPH0331090 Y2 JP H0331090Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- wavelength
- refractive index
- air
- light source
- 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.)
- Expired
Links
- 239000004065 semiconductor Substances 0.000 description 18
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Lasers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2694988U JPH0331090Y2 (US06265458-20010724-C00056.png) | 1988-03-02 | 1988-03-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2694988U JPH0331090Y2 (US06265458-20010724-C00056.png) | 1988-03-02 | 1988-03-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0220364U JPH0220364U (US06265458-20010724-C00056.png) | 1990-02-09 |
JPH0331090Y2 true JPH0331090Y2 (US06265458-20010724-C00056.png) | 1991-07-01 |
Family
ID=31249030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2694988U Expired JPH0331090Y2 (US06265458-20010724-C00056.png) | 1988-03-02 | 1988-03-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0331090Y2 (US06265458-20010724-C00056.png) |
-
1988
- 1988-03-02 JP JP2694988U patent/JPH0331090Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0220364U (US06265458-20010724-C00056.png) | 1990-02-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5677769A (en) | Optical sensor utilizing rare-earth-doped integrated-optic lasers | |
EP0646767B1 (en) | Interferometric distance measuring apparatus | |
JP2002116089A (ja) | 高精度波長計 | |
JPH10339668A (ja) | 光波長計及び光波長調整装置 | |
US4531834A (en) | Fluorimeter | |
Downs et al. | Bi-directional fringe counting interference refractometer | |
US4847512A (en) | Method of measuring humidity by determining refractive index using dual optical paths | |
JPH0331090Y2 (US06265458-20010724-C00056.png) | ||
US7280216B2 (en) | Method and apparatus for determining the wavelength of an input light beam | |
JPS635682B2 (US06265458-20010724-C00056.png) | ||
JP2725434B2 (ja) | Fmヘテロダイン法を用いたアブソリュート測長方法およびアブソリュート測長器 | |
JP2012103140A (ja) | 干渉計測方法および干渉計測装置 | |
JPH0915048A (ja) | 分光光度計 | |
JPH03257353A (ja) | 空気の屈折率測定装置 | |
JPH01210850A (ja) | 屈折率変動測定装置 | |
JPS60104236A (ja) | 偏波保持光フアイバのモ−ド複屈折率測定方法およびその装置 | |
JPH0740181Y2 (ja) | レーザ周波数特性測定装置並びに核装置を利用した可変周波数光源 | |
JPH0514867U (ja) | 光波長計 | |
JP2687631B2 (ja) | アブソリュート測長器の干渉信号処理方法 | |
WO2024077503A1 (zh) | 利用气体吸收光谱参考的干涉仪绝对位移解调系统及方法 | |
US11815404B2 (en) | High accuracy frequency measurement of a photonic device using a light output scanning system and a reference wavelength cell | |
JPH01210804A (ja) | 面間隔測定方法 | |
JPH01276784A (ja) | 可変周波数光源 | |
JP3632825B2 (ja) | 波長計測装置 | |
JPH02307027A (ja) | 光周波数測定装置 |