JPH01115264U - - Google Patents
Info
- Publication number
- JPH01115264U JPH01115264U JP1033188U JP1033188U JPH01115264U JP H01115264 U JPH01115264 U JP H01115264U JP 1033188 U JP1033188 U JP 1033188U JP 1033188 U JP1033188 U JP 1033188U JP H01115264 U JPH01115264 U JP H01115264U
- Authority
- JP
- Japan
- Prior art keywords
- output light
- multimode laser
- wavelength
- light source
- lyofilter
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Lasers (AREA)
Description
第１図は本考案に係る可変波長光源の一実施例
を示す構成図、第２図はマルチモードレーザの出
力光のスペクトルの一例を示す特性曲線図、第３
図はリオフイルタを説明する為の図、第４図及び
第５図は従来の可変波長光源の構成を示す構成図
である。
１０……半導体レーザ、１４……リオフイルタ
、１７……コイル、１９……光フアイバ、１５１
〜１５４……偏光子、１６１〜１６３……フアラ
デー素子。
FIG. 1 is a configuration diagram showing an embodiment of a variable wavelength light source according to the present invention, FIG. 2 is a characteristic curve diagram showing an example of the spectrum of output light of a multimode laser, and FIG.
The figure is a diagram for explaining a Lyo filter, and FIGS. 4 and 5 are configuration diagrams showing the configuration of a conventional variable wavelength light source. 10...Semiconductor laser, 14...Liofilter, 17...Coil, 19...Optical fiber, 151
~154...Polarizer, 161-163...Faraday element.
Claims (1)
ザの出力光が入射されるリオフイルタとを有し、
このリオフイルタの透過特性を変化させる事によ
りその出力光の波長を可変する事を特徴とする可
変波長光源。 It has a multimode laser and a lyo filter into which the output light of the multimode laser is incident,
A tunable wavelength light source characterized in that the wavelength of the output light can be varied by changing the transmission characteristics of this Lyofilter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1033188U JPH01115264U (en) | 1988-01-28 | 1988-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1033188U JPH01115264U (en) | 1988-01-28 | 1988-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01115264U true JPH01115264U (en) | 1989-08-03 |
Family
ID=31217897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1033188U Pending JPH01115264U (en) | 1988-01-28 | 1988-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01115264U (en) |
-
1988
- 1988-01-28 JP JP1033188U patent/JPH01115264U/ja active Pending