JPS61106901U - - Google Patents
Info
- Publication number
- JPS61106901U JPS61106901U JP19216184U JP19216184U JPS61106901U JP S61106901 U JPS61106901 U JP S61106901U JP 19216184 U JP19216184 U JP 19216184U JP 19216184 U JP19216184 U JP 19216184U JP S61106901 U JPS61106901 U JP S61106901U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- micro fresnel
- ring
- gradient index
- ground
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
Landscapes
- Optical Head (AREA)
Description
第１図〜第３図は本考案の各実施例を示す断面
図、第４図は従来のマイクロフレネルレンズを使
用した光学レンズの正面図、第５図と第６図は断
面が鋸歯状と矩形状の場合の断面図、第７図はそ
の集束状態を示すものである。
１……レンズ基板、１１，１２……マイクロフ
レネルレンズの輪帯、１３……凸レンズ、１４…
…屈折率分布形レンズ。
Figures 1 to 3 are cross-sectional views showing each embodiment of the present invention, Figure 4 is a front view of an optical lens using a conventional micro Fresnel lens, and Figures 5 and 6 are cross-sectional views of a saw-toothed optical lens. A cross-sectional view in the case of a rectangular shape, FIG. 7, shows the focused state. DESCRIPTION OF SYMBOLS 1... Lens substrate, 11, 12... Ring zone of micro Fresnel lens, 13... Convex lens, 14...
...Gradient index lens.
Claims (1)
たレンズ基板の地面に、マイクロフレネルレンズ
の輪体、凸レンズ、或いは屈折率分布形レンズ等
の光集束レンズを設けたことを特徴とする光学レ
ンズ。 An optical lens characterized in that a light converging lens such as a micro Fresnel lens ring, a convex lens, or a gradient index lens is provided on the ground of a lens substrate on which a ring zone of a micro Fresnel lens is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19216184U JPS61106901U (en) | 1984-12-20 | 1984-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19216184U JPS61106901U (en) | 1984-12-20 | 1984-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61106901U true JPS61106901U (en) | 1986-07-07 |
Family
ID=30749587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19216184U Pending JPS61106901U (en) | 1984-12-20 | 1984-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61106901U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5114267A (en) * | 1974-07-27 | 1976-02-04 | Tokyo Tungsten Kk | HANDOTAIZAIR YOSHIJOKIBAN |
| JPS54156651A (en) * | 1978-05-30 | 1979-12-10 | Rca Corp | Fresnel lens |
-
1984
- 1984-12-20 JP JP19216184U patent/JPS61106901U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5114267A (en) * | 1974-07-27 | 1976-02-04 | Tokyo Tungsten Kk | HANDOTAIZAIR YOSHIJOKIBAN |
| JPS54156651A (en) * | 1978-05-30 | 1979-12-10 | Rca Corp | Fresnel lens |