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    • 1. 发明申请
    • PROJECTION LENS AND PROJECTION APPARATUS
    • 投影镜头和投影设备
    • US20120212841A1
    • 2012-08-23
    • US13273210
    • 2011-10-13
    • Kuo-Chuan WangYi-Hao KangChi-Tang HsiehChia-Chang Lee
    • Kuo-Chuan WangYi-Hao KangChi-Tang HsiehChia-Chang Lee
    • G02B11/16G02B11/06
    • G02B13/16G02B19/0014G02B19/0047
    • A projection lens for projecting an image beam is provided. The image beam is converted by a light valve from an illumination beam irradiating the light valve. The projection lens includes a first lens group, a second lens group, and a third lens group. The first lens group is disposed on a transmission path of the image beam, and has a first optical axis. The second lens group is disposed on both a transmission path of the illumination beam and the transmission path of the image beam, and between the light valve and the first lens group. The second lens group has a second optical axis. The second optical axis is inclined with respect to the first optical axis. The third lens group is disposed on the transmission path of the image beam, and between the first lens group and the second lens group. A projection apparatus is also provided.
    • 提供了用于投影图像束的投影透镜。 图像光束通过光阀从照射光阀的照明光束转换。 投影透镜包括第一透镜组,第二透镜组和第三透镜组。 第一透镜组设置在图像束的传输路径上,并且具有第一光轴。 第二透镜组设置在照明光束的传输路径和图像束的传输路径之间,以及光阀和第一透镜组之间。 第二透镜组具有第二光轴。 第二光轴相对于第一光轴倾斜。 第三透镜组设置在图像束的传输路径上,并且位于第一透镜组和第二透镜组之间。 还提供投影设备。
    • 2. 发明授权
    • Bragg grating fiber hydrophone with a bellows amplifier including a fluid cavity and an optical fibre in which the bragg grating is integrated
    • 布拉格光栅水听器具有波纹管放大器,包括流体腔和光纤,其中布拉格光栅被集成
    • US08676008B2
    • 2014-03-18
    • US13322980
    • 2010-05-27
    • Gilles GrossoFrederic Mosca
    • Gilles GrossoFrederic Mosca
    • G02B11/16G02B6/34H01S3/00H01S3/02H01S3/106
    • G01H9/004G01V1/186
    • A Bragg grating fiber hydrophone, includes a fluid chamber and an optical fiber in which a Bragg grating is integrated, the optical fiber passing through the fluid chamber along a longitudinal axis such that the Bragg grating is positioned inside the latter. The fluid chamber is filled with a compressible fluid and is defined by a casing including two ends connected to the optical fiber. The casing includes at least one portion formed by an extensible and compressible tube extending along the longitudinal axis. The portion formed by an extensible and compressible tube includes an outer end coinciding with one of the two casing ends and can be longitudinally deformed by a difference in the pressures applied on the walls thereof, which results in a variation of the length of the optical fiber as measured by a variation in the wavelength of a luminous flux extracted from the optical fiber.
    • 布拉格光栅水听器包括流体室和光纤,其中布拉格光栅被集成,光纤沿着纵向轴线穿过流体室,使得布拉格光栅位于后者的内部。 流体室填充有可压缩流体,并且由包括连接到光纤的两端的壳体限定。 壳体包括由沿着纵向轴线延伸的可伸缩管形成的至少一个部分。 由可伸缩管形成的部分包括与两个壳体端部中的一个重合的外端,并且可以通过施加在其壁上的压力差而纵向变形,这导致光纤长度的变化 如通过从光纤提取的光束的波长的变化所测量的。
    • 3. 发明申请
    • IMAGING LENS
    • 成像镜头
    • US20100165485A1
    • 2010-07-01
    • US12225967
    • 2007-12-18
    • Satoshi Do
    • Satoshi Do
    • G02B11/06G02B3/00G02B11/14G02B11/16G02B11/12G02B11/10G02B13/18
    • G02B13/006G02B1/00G02B7/008G02B9/28G02B13/0035
    • The present invention is an imaging lens of which optical performance does not deteriorate even in a high temperature environment, various aberrations are well corrected, optical length is short, and back focus is sufficiently secured, the imaging lens comprising a first lens 14, an aperture stop S, a second lens 16, and a third lens 18, which are arranged in this sequence from an object side to an image side. For the first lens, a single lens is used. The second lens comprises a first sub-lens L1, a second sub-lens L2 and a third sub-lens L3, arranged in this sequence from the object side to the image side. The third lens comprises a fourth sub-lens L4, a fifth sub-lens L5 and a sixth sub-lens L6, arranged in this sequence from the object side to the image side. The first lens is formed of a transparent curable silicone resin, and the first, third, fourth and sixth sub-lenses are also formed of the transparent curable silicone resin. The second sub-lens and the fifth sub-lens are formed of a high softening temperature glass material.
    • 本发明是即使在高温环境下光学性能也不会劣化的成像透镜,各种像差被良好校正,光学长度短,后焦点被充分确保,成像透镜包括第一透镜14,孔径 停止S,第二透镜16和第三透镜18,其从物体侧到像侧依次排列。 对于第一个镜头,使用单个镜头。 第二透镜包括从物体侧到像侧依次排列的第一子透镜L1,第二子透镜L2和第三子透镜L3。 第三透镜包括从物体侧到像侧依次排列的第四子透镜L4,第五子透镜L5和第六子透镜L6。 第一透镜由透明可固化硅树脂形成,第一,第三,第四和第六子透镜也由透明可固化硅树脂形成。 第二子透镜和第五子透镜由高软化温度的玻璃材料形成。