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Scanning Light Scattering Profiler (SLPS) Based Methodology to Quantitatively Evaluate Forward and Backward Light Scattering from Intraocular Lenses
Published on: June 6, 2017
Novel approach to optical profiler with gradient focal point methods.
Henzeh Leeghim1, MyoungKi Ahn, Kwangsoo Kim
1Display Equipment Team, Manufacturing Technology Center, Samsung Electronics Co., Ltd., Maetan 3-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do, South Korea.
Optics Express
|November 29, 2012
Summary
Novel gradient focal point (GFP) methods offer a single-shot solution for optical profilers. These techniques use unique lenses and sensors to quickly capture height information, providing a viable alternative to existing profilers.
Area of Science:
- Optics
- Metrology
- Optical Engineering
Background:
- Optical profilers are crucial for surface measurement.
- Existing methods can be time-consuming or complex.
Purpose of the Study:
- To introduce novel gradient focal point (GFP) methods for optical profiling.
- To demonstrate a single-shot height measurement capability.
Main Methods:
- Utilizing gradient curvature cylindrical lenses.
- Employing gradient thickness cylindrical lenses.
- Incorporating a tilted imaging sensor.
Main Results:
- Achieved single-shot height information acquisition per point.
- Demonstrated that different input beam divergence angles result in different focal positions.
- Validated the feasibility of GFP approaches.
Conclusions:
- The proposed GFP methods offer a new, efficient approach to optical profiling.
- These methods present a practical alternative to conventional optical profilers.
