期刊
OPTICS EXPRESS
卷 21, 期 12, 页码 14747-14762出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.21.014747
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资金
- Technology Agency of the Czech Republic [TE01020229]
- Ministry of Industry and Trade of the Czech Republic [FR-TI4/660]
- CEITEC - Central European Institute of Technology [CZ.1.05/1.1.00/02.0068]
- European Regional Development Fund
Coherence-controlled holographic microscope (CCHM) combines off-axis holography and an achromatic grating interferometer allowing for the use of light sources of arbitrary degree of temporal and spatial coherence. This results in coherence gating and strong suppression of coherent noise and parasitic interferences enabling CCHM to reach high phase measurement accuracy and imaging quality. The achievable lateral resolution reaches performance of conventional widefield microscopes, which allows resolving up to twice smaller details when compared to typical off-axis setups. Imaging characteristics can be controlled arbitrarily by coherence between two extremes: fully coherent holography and confocal-like incoherent holography. The basic setup parameters are derived and described in detail and experimental validations of imaging characteristics are demonstrated. (C) 2013 Optical Society of America
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