公开(公告)号：US20050018187A1

公开(公告)日：2005-01-27

申请号：US10833201

申请日：2004-04-27

Applicant: Warren Slutter ,  Jian Xiao

Inventor： Warren Slutter ,  Jian Xiao

IPC: G01J3/04 ,  G01J3/18 ,  G01N21/64 ,  G01J3/28

CPC classification number: G01J3/18 ,  G01J3/02 ,  G01J3/0229 ,  G01J3/04

Abstract: A spectrograph with a first concave spectrographic diffraction grating is positioned to receive light from an input light source. The first concave spectrographic diffraction grating is configured to provide a diffracted light output dispersing the components of the input light source in a first dispersion direction with a first angular orientation with respect to the plane of the grating. The dispersion forms the input light into an intermediate spectrum. The intermediate spectrum is formed in a focal surface by the once diffracted light. A slit is substantially positioned on the focal surface. A second concave diffraction grating is positioned to receive once diffracted light from the slit and configured to provide a twice diffracted light output, the second concave diffraction grating dispersing the components of the input light source in a second diffraction direction with a second angular orientation with respect to the plane of the grating. The second dispersion angular orientation is different from the first dispersion angular orientation. The second dispersion forms the input light into an output spectrum.

Abstract translation: 具有第一凹面光谱衍射光栅的光谱仪定位成接收来自输入光源的光。 第一凹面光谱衍射光栅被配置为提供衍射光输出，其以相对于光栅平面的第一角度取向在第一色散方向上分散输入光源的分量。 分散体将输入光形成中间光谱。 通过一次衍射光在中心光谱中形成中间光谱。 狭缝基本上位于焦点表面上。 第二凹面衍射光栅被定位成接收来自狭缝的一次衍射光并被配置成提供两次衍射光输出，第二凹面衍射光栅将输入光源的分量在第二衍射方向上以第二角度取向相对于 到光栅的平面。 第二色散角取向与第一色散角取向不同。 第二个色散将输入光形成输出光谱。

公开(公告)号：US07265827B2

公开(公告)日：2007-09-04

申请号：US10833201

申请日：2004-04-27

Applicant: Warren Slutter ,  Jian Ming Xiao

Inventor： Warren Slutter ,  Jian Ming Xiao

IPC: G01J3/28

CPC classification number: G01J3/18 ,  G01J3/02 ,  G01J3/0229 ,  G01J3/04

Abstract: A spectrograph with a first concave spectrographic diffraction grating is positioned to receive light from an input light source. The first concave spectrographic diffraction grating is configured to provide a diffracted light output dispersing the components of the input light source in a first dispersion direction with a first angular orientation with respect to the plane of the grating. The dispersion forms the input light into an intermediate spectrum. The intermediate spectrum is formed in a focal surface by the once diffracted light. A slit is substantially positioned on the focal surface. A second concave diffraction grating is positioned to receive once diffracted light from the slit and configured to provide a twice diffracted light output, the second concave diffraction grating dispersing the components of the input light source in a second diffraction direction with a second angular orientation with respect to the plane of the grating. The second dispersion angular orientation is different from the first dispersion angular orientation. The second dispersion forms the input light into an output spectrum.

Abstract translation: 具有第一凹面光谱衍射光栅的光谱仪定位成接收来自输入光源的光。 第一凹面光谱衍射光栅被配置为提供衍射光输出，其以相对于光栅平面的第一角度取向在第一色散方向上分散输入光源的分量。 分散体将输入光形成中间光谱。 通过一次衍射光在中心光谱中形成中间光谱。 狭缝基本上位于焦点表面上。 第二凹面衍射光栅被定位成接收来自狭缝的一次衍射光并被配置成提供两次衍射光输出，第二凹面衍射光栅将输入光源的分量在第二衍射方向上以第二角度取向相对于 到光栅的平面。 第二色散角取向与第一色散角取向不同。 第二个色散将输入光形成输出光谱。