Holey fibers and the research of their birefringence;

Measurement of Birefringence in Polarization-Maintaining Optical Fibers by Using Heterodyne Polarimetric Interference;

Thermally-induced birefringence of polarization optical fiber on gyro;

Several discussions about the light properties and the double refraction of light in uniaxial crystals;

Researching and analyzing property of digital precision instrument for measuring double refraction;

The double refraction is clearly illustrated.

The investigation of all optical switching based on pulse trapping in birefringent photonic crystal fibers;

Transmission characters of birefringent thin films with columnar microstructures;

Design and characteristics of a near-elliptic inner cladding High birefringent polarization-stable photonic crystal fiber;

In the W flat with Weigert effect, both dichroism and birefraction should be showed simultaneously, but the birefraction is neglected generally because of it′s small.

Based on the birefraction of crystals, a compact optical logic processor, which can perform all 16 logic operations of two input images, is developed.

Measurement of birefringence of a single axis crystal varying with temperature based on double light paths;

Study of quartz crystal′s birefringence dispersion character from ultraviolet band to near infrared band;

The specific rotation-temperature characteristic of this kind cholesteric liquid crystal is measured by means of magneto-optic modulate frequency multiplication,and the variations of screwpitch,refractive index and birefringence with temperature of this kind cholesteric li.