| 发明名称 |
AXIALLY SYMMETRIC POLARIZATION CONVERSION ELEMENT |
| 摘要 |
An axially symmetric polarization conversion element that converts incident light into an axially symmetric polarized beam includes a reflection section having a shape obtained by rotating the cross section of a Fresnel rhomb wave plate along the direction of an optical axis around an axis that is parallel to the optical axis. The axially symmetric polarization conversion element converts the incident light into an axially symmetric polarized beam by utilizing two Fresnel reflections by the reflection section. |
| 申请公布号 |
US2015002934(A1) |
申请公布日期 |
2015.01.01 |
| 申请号 |
US201314377288 |
申请日期 |
2013.02.07 |
| 申请人 |
SAITAMA MEDICAL UNIVERSITY ;UTSUNOMIYA UNIVERSITY |
发明人 |
Wakayama Toshitaka;Yoshizawa Toru;Otani Yukitoshi |
| 分类号 |
G02B27/28;G02B27/09;G02B5/30 |
主分类号 |
G02B27/28 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An axially symmetric polarization conversion element that converts incident light into an axially symmetric polarized beam,
the axially symmetric polarization conversion element having a shape obtained by rotating a cross section of a Fresnel rhomb wave plate along a direction of an optical axis around an axis that is parallel to the optical axis, and the axially symmetric polarization conversion element converting the incident light into the axially symmetric polarized beam by utilizing N (N is a positive integer) number of Fresnel reflections. |
| 地址 |
Saitama JP |
