JPH0432035U - - Google Patents
Info
- Publication number
- JPH0432035U JPH0432035U JP7306190U JP7306190U JPH0432035U JP H0432035 U JPH0432035 U JP H0432035U JP 7306190 U JP7306190 U JP 7306190U JP 7306190 U JP7306190 U JP 7306190U JP H0432035 U JPH0432035 U JP H0432035U
- Authority
- JP
- Japan
- Prior art keywords
- optical interference
- type optical
- electrical signal
- light receiver
- interference device
- 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 claims description 5
- 238000010408 sweeping Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Spectrometry And Color Measurement (AREA)
Description
第１図はこの考案の一実施例を示す接続図、第
２図は従来の技術を説明するための接続図、第３
図は光干渉信号の一例を示す波形図である。
１……掃引型光干渉装置、２……周波数分析装
置、１４……光干渉装置の受光器、２１……直流
成分を取出す手段、２２……対数増幅器、２３…
…利得調整用増幅器、２４……過大入力防止回路
、２５……表示器。
Fig. 1 is a connection diagram showing one embodiment of this invention, Fig. 2 is a connection diagram for explaining the conventional technology, and Fig. 3 is a connection diagram showing an embodiment of this invention.
The figure is a waveform diagram showing an example of an optical interference signal. DESCRIPTION OF SYMBOLS 1... Sweep type optical interference device, 2... Frequency analyzer, 14... Light receiver of optical interference device, 21... Means for extracting DC component, 22... Logarithmic amplifier, 23...
... gain adjustment amplifier, 24 ... excessive input prevention circuit, 25 ... display.
Claims (1)
分を表示する表示器と、 によつて構成される掃引型光干渉装置。[Scope of Claim for Utility Model Registration] A. A sweep-type optical interference device; B. A light receiver that converts interference light into an electrical signal; C. A display that displays the DC component of the electrical signal output from the light receiver; A sweeping type optical interference device configured as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990073061U JP2525982Y2 (en) | 1990-07-09 | 1990-07-09 | Swept optical interferometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990073061U JP2525982Y2 (en) | 1990-07-09 | 1990-07-09 | Swept optical interferometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0432035U true JPH0432035U (en) | 1992-03-16 |
| JP2525982Y2 JP2525982Y2 (en) | 1997-02-12 |
Family
ID=31611560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990073061U Expired - Lifetime JP2525982Y2 (en) | 1990-07-09 | 1990-07-09 | Swept optical interferometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2525982Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0227225A (en) * | 1988-07-15 | 1990-01-30 | Advantest Corp | Light interference signal extractor |
-
1990
- 1990-07-09 JP JP1990073061U patent/JP2525982Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0227225A (en) * | 1988-07-15 | 1990-01-30 | Advantest Corp | Light interference signal extractor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2525982Y2 (en) | 1997-02-12 |
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