【摘要】 本文给出一种利用衍射和双折射的复合作用使光束起偏振的双折射闪耀光栅型偏振器的结构设计和实验制作，该种器件具有棱镜偏振器和二向色性偏振片二者的主要优点，样品器件已在实验中制出，器件的消光比大于２×１０－４，并还有很大的提高余地，该种器件是一种具有良好应用前景的新型偏光器件。更多还原

【Abstract】 The device design and manufacture method of birefringent blazed grating Polarizer,which is upon the combination of double refraction and diffraction,are reported.This type of polarizer has the main advantages of both the prism and the dichroic polarizers.A sample of this device has been fabricated,which extinction ratio is better than 2×10 -4 and may be improved further.This new type of polarizer is suitable for practical use.更多还原