first class prize of natural science award of CAS in 1991，second class prize of national natural science award in 1993
　  A series of original concepts and ingenious methods have been put forward，which involve main aspects of astronomical optics。The most important research listed as follows：
1）：image corrector with large and median field of view for large optical telescope
2）：birefringent filter and polarizing interferometric filter
3）：theory of optical design and optical system of very large astronomical telescope