摘要
A general laser deflectometry method was developed for testing aspheric surface. Addressing to various aspheric surfaces, three schemes were proposed: translating, rotating and rotating with translating schemes. The method is versatile and can be used in testing of various aspheric surface. The measurement of laser reflecting angle that has significant effect on precision of aspheric surface casting was studied in detail. Experimental results exhibited that the accuracy of the method can attain λ/5-λ/10 that is close to interferometry.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 22-23+27 |
| 期刊 | Guangxue Jishu/Optical Technique |
| 卷 | 28 |
| 期 | 1 |
| 出版状态 | 已出版 - 1月 2002 |
指纹
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