Inventor
ZHANG BEN-QI
CN9 patents
Patents
9 patentsUS11448865B2Sep 20, 2022
Imaging optical system
UNIV TSINGHUA2 citations72
US11221471B2Jan 11, 2022
Freeform surface off-axis three-mirror optical system
UNIV TSINGHUA2 citations72
US10962413B2Mar 30, 2021
Freeform surface imaging spectrometer system
UNIV TSINGHUA4 citations72
US11614617B2Mar 28, 2023
Method for designing freeform concave grating imaging spectrometer
UNIV TSINGHUA0 citations60
US11340113B1May 24, 2022
Freeform concave grating imaging spectrometer
UNIV TSINGHUA1 citations60
US11675187B2Jun 13, 2023
Method for designing imaging optical system
UNIV TSINGHUA0 citations51
US11294148B2Apr 5, 2022
Method for designing freeform surface imaging systems
UNIV TSINGHUA0 citations51
US11043521B2Jun 22, 2021
Freeform surface off-axial three-mirror imaging system
UNIV TSINGHUA0 citations50
US10983316B2Apr 20, 2021
Method of designing and manufacturing freeform surface off-axial imaging system
UNIV TSINGHUA0 citations50