Study on Trial Manufacturing and Applications of Holographic Grating for Interferometric Measurements

项目对象：激光和重铬酸盐合成全息光栅试验制造全息光栅（全息图）在测量中的应用。重铬酸盐-geratine的优点：无颗粒光栅（全息）。高信噪比光栅。Highdiffraction效率。重铬酸盐-geratine的缺点：灵敏度低，特别是在低光谱频率。结果：衍射效率高，可达75%以上。敏化效果（10mJ/cm， 488nm波长）。干涉仪分束器的应用。高品质白光实像反射全息图。

Objects of Project :Trial manufacturing of holographic grating with laser and dichromate-geratine Application of holographic grating (hologram) to measurement.Merits of dichromate-geratine :Grainless grating (hologram). High S/N ratio grating. Highdiffraction efficiency. Demerit of dichromate-geratine :Low sensitivity especially at low spectral frequency. Results :High diffraction efficiency grating ( more than 75 % ). Sensitization effect ( 10mJ/cm at 488nm wavelength ). Application to beam splitter of interferometer. High quality white light real-image refrection hologram.