公开(公告)号：US20180202862A1

公开(公告)日：2018-07-19

申请号：US15873547

申请日：2018-01-17

Applicant: LightMachinery Inc.

Inventor： Hubert JEAN-RUEL ,  John Reid ,  John H. Hunter ,  Jesse Dean ,  Edward S. Willilams ,  Ian J. Miller

IPC: G01J3/02 ,  G01J3/28 ,  G01J3/18 ,  G01J3/04 ,  G02B26/08 ,  G01N21/25

CPC classification number: G01J3/0294 ,  G01J3/0208 ,  G01J3/0256 ,  G01J3/04 ,  G01J3/18 ,  G01J3/26 ,  G01J3/2803 ,  G01N21/255 ,  G02B26/0808 ,  G02B27/1066

Abstract: The invention relates to a multi-resolution optical spectrometer that employs two output lenses of different focal length to provide a broad wavelength range, coarse resolution spectral measurement and a high resolution, lower range spectral measurement. Light dispersed by a virtual image phase array followed by a diffraction grating in two different dispersion orders may be separately focused by the two lenses upon to 2D detector array to provide the two measurements.