摘要
为了获得对称且平行分束的偏振光,对双Wollaston棱镜进行了修正,在获得大分束角的对称偏振光后,配合普通玻璃三棱镜,使对称分束光变成平行分束光,通过改变三棱镜与双Wollaston棱镜间的距离来改变平行光的剪切距离。通过测量其透射比得到新设计的分束器的透射在85%左右,测量误差在0.91%左右。结果表明,该设计方案既节省了材料又节省了测量时间,能够满足较精密的测量需要。
In order to obtain symmetry and parallel polarized light, the double Wollaston prism is amended. After getting symmetric polarized light at a big splitting beam angle, an ordinary triangular prism is added so that the symmetric light beam can be divided into parallel light beams. The distance between the triangular prism and the double Wollaston prism is changed so that the distance of the shearing parallel light can be changed. The measured transmittance of the new beam splitter is about 85% with measurement error of about 0.91%. It saves material and saves the measurement time. It is able to meet the needs of more sophisticated measurement.
出处
《激光技术》
CAS
CSCD
北大核心
2010年第2期214-217,共4页
Laser Technology
关键词
光学器件
修正角
三棱镜
透射率
optical device
amendment angle
triangular prism
transmittance