JPS6246227A - 光部品の反射点測定方法 - Google Patents
光部品の反射点測定方法Info
- Publication number
- JPS6246227A JPS6246227A JP18653085A JP18653085A JPS6246227A JP S6246227 A JPS6246227 A JP S6246227A JP 18653085 A JP18653085 A JP 18653085A JP 18653085 A JP18653085 A JP 18653085A JP S6246227 A JPS6246227 A JP S6246227A
- Authority
- JP
- Japan
- Prior art keywords
- measured
- semiconductor laser
- frequency
- frequency interval
- deltaf
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims description 19
- 239000004065 semiconductor Substances 0.000 claims description 34
- 239000013307 optical fiber Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 241000272517 Anseriformes Species 0.000 description 1
- 101100264174 Mus musculus Xiap gene Proteins 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/3172—Reflectometers detecting the back-scattered light in the frequency-domain, e.g. OFDR, FMCW, heterodyne detection
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Light Guides In General And Applications Therefor (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18653085A JPS6246227A (ja) | 1985-08-24 | 1985-08-24 | 光部品の反射点測定方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18653085A JPS6246227A (ja) | 1985-08-24 | 1985-08-24 | 光部品の反射点測定方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6246227A true JPS6246227A (ja) | 1987-02-28 |
| JPH0362212B2 JPH0362212B2 (enExample) | 1991-09-25 |
Family
ID=16190105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18653085A Granted JPS6246227A (ja) | 1985-08-24 | 1985-08-24 | 光部品の反射点測定方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6246227A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013190348A (ja) * | 2012-03-14 | 2013-09-26 | Nippon Telegr & Teleph Corp <Ntt> | 光線路監視装置 |
| JP2013231657A (ja) * | 2012-04-27 | 2013-11-14 | Nippon Telegr & Teleph Corp <Ntt> | 光線路監視装置 |
| JP2013257296A (ja) * | 2012-06-14 | 2013-12-26 | Nippon Telegr & Teleph Corp <Ntt> | 光線路監視装置およびその制御方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5183546A (enExample) * | 1974-12-07 | 1976-07-22 | Licentia Gmbh | |
| JPS6086438A (ja) * | 1983-10-18 | 1985-05-16 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバの試験方法および装置 |
-
1985
- 1985-08-24 JP JP18653085A patent/JPS6246227A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5183546A (enExample) * | 1974-12-07 | 1976-07-22 | Licentia Gmbh | |
| JPS6086438A (ja) * | 1983-10-18 | 1985-05-16 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバの試験方法および装置 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013190348A (ja) * | 2012-03-14 | 2013-09-26 | Nippon Telegr & Teleph Corp <Ntt> | 光線路監視装置 |
| JP2013231657A (ja) * | 2012-04-27 | 2013-11-14 | Nippon Telegr & Teleph Corp <Ntt> | 光線路監視装置 |
| JP2013257296A (ja) * | 2012-06-14 | 2013-12-26 | Nippon Telegr & Teleph Corp <Ntt> | 光線路監視装置およびその制御方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0362212B2 (enExample) | 1991-09-25 |
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