Results 261 to 270 of about 2,012,293 (294)

Laser eye safety: the implications of ordinary speckle statistics and of speckled-speckle statistics

Journal of the Optical Society of America, 1981
The implications of speckle statistics on laser eye-safety considerations are evaluated. The concept of speckled speckle is introduced, and its statistics are shown to correspond to the K0 function. Speckled speckle is defined in terms of the retinal power density when the eye is viewing an optically rough surface that is illuminated by a laser beam ...
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Lasers and Speckle Patterns

1983
In the infrared, visible and ultraviolet region, there are three main kinds of sources : thermal sources which radiate at virtually all wavelengths (e.g. solid hot bodies and hot gases under high pressure), thermal sources giving line spectra (gase discharge tubes under low pressure), lasers.
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Laser-Speckle-Interferometrie anwenden / Application of Laser Speckle Interferometry

Materials Testing, 1998
Andreas Ettemeyer, Hans Reinhard Schubach   +1 more
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Statistical Properties of Laser Speckle Patterns

1975
Since speckle plays an important role in many physical phenomena, it is essential to fully understand its statistical properties. Starting from the basic idea of a random walk in the complex plane, we derive the first-order statistics of the complex amplitude, intensity and phase of speckle.
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Improving imaging depth by dynamic laser speckle imaging and topical optical clearing for in vivo blood flow monitoring

Lasers in Medical Science, 2020
X. Sang, Dong Li, Bin Chen
semanticscholar   +1 more source

Laser Speckle Effect

2022
Honghua Zhao, Gangqiang Kong, Wanghua Sui   +2 more
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Laser speckle

The Physics Teacher, 1987
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Speckle noise reduction strategies in laser-based projection imaging, fluorescence microscopy, and digital holography with uniform illumination, improved image sharpness, and resolution

, 2021
Virendra Kumar, Atul Kumar Dubey, Mayank Gupta, Veena Singh, Ankit Butola, D. Mehta   +5 more
semanticscholar   +1 more source

Laser speckle using smartphone LiDAR

Proceedings of the 20th Annual International Conference on Mobile Systems, Applications and Services, 2022
Justin Chan, Shyamnath Gollakota
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Laser speckle contrast imaging in biomedical optics

Journal of Biomedical Optics, 2010
David A Boas
exaly