JPH03119806U - - Google Patents
Info
- Publication number
- JPH03119806U JPH03119806U JP2781390U JP2781390U JPH03119806U JP H03119806 U JPH03119806 U JP H03119806U JP 2781390 U JP2781390 U JP 2781390U JP 2781390 U JP2781390 U JP 2781390U JP H03119806 U JPH03119806 U JP H03119806U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- optical fiber
- element module
- lens
- 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
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
Landscapes
- Optical Couplings Of Light Guides (AREA)
Description
第１図はこの考案の一実施例による受光素子モ
ジユールを示す断面図、第２図は従来の受光素子
モジユールを示す断面図、第３図はデフオーカス
量と高調波歪割合の関係を測定した結果を示すグ
ラフである。
１は光フアイバ、２はロツドレンズ、３はフオ
トダイオード、４はホルダ、５は光路、６はビー
ムウエスト。なお図中、同一符号は同一、又は相
当部分を示す。
Fig. 1 is a cross-sectional view showing a light-receiving element module according to an embodiment of this invention, Fig. 2 is a cross-sectional view showing a conventional light-receiving element module, and Fig. 3 is the result of measuring the relationship between the amount of defocus and the harmonic distortion ratio. This is a graph showing. 1 is an optical fiber, 2 is a rod lens, 3 is a photodiode, 4 is a holder, 5 is an optical path, and 6 is a beam waist. In the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
するレンズと、上記光フアイバを出射しレンズを
透過した光の光路上におかれた受光素子とからな
る受光素子モジユールにおいて、受光素子の取付
位置を、光路のビームウエストよりずれた位置に
したことを特徴とする受光素子モジユール。 In a light-receiving element module consisting of an optical fiber, a lens that condenses light from the optical fiber, and a light-receiving element placed on the optical path of the light that is emitted from the optical fiber and transmitted through the lens, the mounting position of the light-receiving element is A light-receiving element module characterized in that the light-receiving element module is located at a position offset from the beam waist of the optical path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2781390U JP2501581Y2 (en) | 1990-03-19 | 1990-03-19 | Light-receiving element module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2781390U JP2501581Y2 (en) | 1990-03-19 | 1990-03-19 | Light-receiving element module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03119806U true JPH03119806U (en) | 1991-12-10 |
| JP2501581Y2 JP2501581Y2 (en) | 1996-06-19 |
Family
ID=31530648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2781390U Expired - Lifetime JP2501581Y2 (en) | 1990-03-19 | 1990-03-19 | Light-receiving element module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2501581Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008008035A (en) * | 2006-06-29 | 2008-01-17 | Sankyo Tateyama Aluminium Inc | Sliding door sash |
-
1990
- 1990-03-19 JP JP2781390U patent/JP2501581Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008008035A (en) * | 2006-06-29 | 2008-01-17 | Sankyo Tateyama Aluminium Inc | Sliding door sash |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2501581Y2 (en) | 1996-06-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |