Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Rudie Spooren"'
Publikováno v:
Sensors and Actuators A: Physical. 53:349-352
A method for testing the hermeticity of different wafer-bonding processes used in silicon sensor devices is proposed. The method is based on measuring the gas concentration in a sealed silicon cavity by Fourier-transform infrared spectroscopy (FTIR).
Publikováno v:
Scopus-Elsevier
The use of a double-pulsed laser in interferometric metrology relaxes the stability requirements for the experimental setup. The use of such a laser also makes it possible for one to study high-speed dynamic processes. We justify the use of a double-
Autor:
Rudie Spooren
Publikováno v:
Applied optics. 31(2)
The relevance of several double-pulse laser parameters for the fringe quality in TV holography is emphasized theoretically. It is demonstrated that single-oscillator Nd:YAG lasers can show significantly reduced characteristics in double-pulse operati
Publikováno v:
Molecular Physics. 69:265-280
The high resolution laser induced fluorescence spectrum of the 00 0 S 1(1 A 1) ← S 0(1 A 1) electronic transition in 1,4-dimethylnaphthalene has been studied in a molecular beam. The residual Doppler width of 12 MHz allowed rotational resolution an
Autor:
Rudie Spooren
Publikováno v:
SPIE Proceedings.
Several pulsed TV-holography techniques exist. Single-pulse techniques give good fringe visibility but a large sensitivity for environmental instability. Double-pulse techniques are much less sensitive to instabilities but normally yield a poorer fri
Autor:
Rudie Spooren, Astrid Aksnes Dyrseth
Publikováno v:
Applied Optics. 36:6171
Electronic speckle pattern interferometry (ESPI) combined with phase-shifting techniques is used for studying the mixing dynamics of transparent fluids. The potentials of the technique for studying fluid mixing are illustrated for simple examples of
Autor:
Rudie Spooren
Publikováno v:
Optical Engineering. 33:889
Commercially available CCD cameras adapted to standard television signal transmission have been analyzed for use in video speckle interferometry. Their relevant performance characteristics are described and the selection criteria for the different ca
Autor:
Rudie Spooren
Publikováno v:
Optical Engineering. 31:1000
The fringe visibility in pulsed subtraction and addition TV holography is described and compared. Correlation fringe patterns, obtained by conventional double-pulse addition TV holography, are characterized by their relatively poor quality. The fring
Conference
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Conference
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