Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Finn Mengel"'
Autor:
Finn Mengel
Publikováno v:
Applied optics. 27(2)
A recently proposed position, rotation, and scale-invariant optical pattern recognition system using a holographic logpolar mapping filter is analyzed with respect to resolution and accuracy. The limits are set by the resolution of the mapping filter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5f67d2144d18001989206b6d2c5145a
https://pubmed.ncbi.nlm.nih.gov/20523596
https://pubmed.ncbi.nlm.nih.gov/20523596
Autor:
Tue Moerck, Finn Mengel
Publikováno v:
SPIE Proceedings.
A model is set up for predicting the performance of a PLY recording system using simple relations for light scattering,particle imaging and recording. The scattering efficiencies for various seed materials are measured experimentally. 1. Introduction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22ba5286908b763595c9487e2e4da793
https://doi.org/10.1117/12.150521
https://doi.org/10.1117/12.150521
Publikováno v:
Optics Communications. 54:103-106
The pulse train from a synchronously pumped modelocked 850 nm CSP semiconductor laser in a grating cavity is found to be fluctuating in amplitude and phase (relative to the pumping current). We show that these fluctuations can be decreased by injecti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::149ea10c2c18fe87d8d239f285024f42
https://doi.org/10.1016/0030-4018(85)90010-0
https://doi.org/10.1016/0030-4018(85)90010-0
Publikováno v:
Picosecond Electronics and Optoelectronics ISBN: 9783642707827
Active modelocking of semiconductor diode lasers in an external cavity by synchronous electrical pumping is a simple and attractive method for generation of short optical pulses in the wavelength region of interest for optical communication [1]. Up t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36fcaf095670d656b938392254aed03d
https://doi.org/10.1007/978-3-642-70780-3_31
https://doi.org/10.1007/978-3-642-70780-3_31
Autor:
Finn Mengel
Publikováno v:
SPIE Proceedings.
An optical system has been developed for measuring the slippage of a flexible fan-belt in an automobile engine. The system is based on the laser Doppler effect and measures the difference in angular velocity of two bodies, rotating at almost the same
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a0f30200a07ec0517cd2ed46c5d15f9
https://doi.org/10.1117/12.968869
https://doi.org/10.1117/12.968869
Autor:
Finn Mengel
Publikováno v:
SPIE Proceedings.
An optical system has been developed for measuring the slippage of a flexible fanbelt in an automobile engine. The system is based on the laser Doppler effect and measures the difference in angular velocity of two bodies, rotating at almost the same
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98ab10ccbc98a4ff3661ea56c4bb1e0e
https://doi.org/10.1117/12.947655
https://doi.org/10.1117/12.947655
Conference
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Conference
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Over the past decade, we have witnessed a number of spectacular advances in the fabrication of crystalline semiconductor devices due mainly to the pro gress of the different techni ques of heteroepitaxy. The di scovery of two dimensional behavior