Sub-microradian Surface Slope Metrology with the ALS Developmental Long Trace Profiler
Conference
·
OSTI ID:973384
A new low budget slope measuring instrument, the Developmental Long Trace Profiler (DLTP), was recently brought to operation at the ALS Optical Metrology Laboratory. The design, instrumental control and data acquisition system, initial alignment and calibration procedures, as well as the developed experimental precautions and procedures are described in detail. The capability of the DLTP to achieve sub-microradian surface slope metrology is verified via cross-comparison measurements with other high performance slope measuring instruments when measuring the same high quality test optics. The directions of future work to develop a surface slope measuring profiler with nano-radian performance are also discussed.
- Research Organization:
- Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (US)
- Sponsoring Organization:
- Advanced Light Source Division; Engineering Division
- DOE Contract Number:
- AC02-05CH11231
- OSTI ID:
- 973384
- Report Number(s):
- LBNL-2539E
- Country of Publication:
- United States
- Language:
- English
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