1
Dandliker Rene, Mottier Francois M: Device for measuring the roughness of a surface. BBC Brown Boveri & Cie, Oblon Fisher Spivak McClelland & Maier, November 25, 1975: US3922093 (83 worldwide citation)

An apparatus is disclosed for measuring the roughness of a surface with improved accuracy. The apparatus, several embodiments of which are disclosed, includes a device for illuminating a surface being studied and a photosensitive detector for determining the maximum intensity of light reflected on t ...


2
De Lang Hendrik, Dandliker Rene: Apparatus for determining the position of an object in an arbitrary cross-section of a beam of radiation. US Philips Corporation, Trifari Frank R, Cohen Simon L, April 29, 1975: US3881105 (12 worldwide citation)

Two virtual or real spatially separated sources of coherent radiation polarized at right angles to one another and having a time-dependent complex-amplitude difference used in conjunction with a polarization-sensitivie detection system disposed in the vicinity of an object form an apparatus for dete ...


3
Dandliker Rene, Iten Paul, Eliasson Baldur: Optical speed-measuring devices and methods for maximizing their accuracies. Brown Boveri & Company, Toren McGeady and Stanger, July 22, 1975: US3895872 (10 worldwide citation)

The speed of a moving volume is measured by directing a laser beam onto the volume and forming a Doppler signal in response to the light scattered or reflected by the moving volume as a measure of the speed of the moving volume. The measuring accuracy is maximized by locating the position of the las ...


4
Dandliker Rene Prof Dr, Bertholds Axel: Method for measuring force by help of strain induced double refraction in a monomode optical fiber and measuring device for carrying out the method.. Mettler Instrumente, September 11, 1985: EP0153997-A1 (9 worldwide citation)

Der mit kohärentem Licht gespeiste Monomode-Lichtleiter (1) weist eine definierte Anisotropie auf. Er ist derart zwischen zwei mit der Messkraft (F) beaufschlagten Druckplatten (2, 3) angeordnet, dass die Orientierung der anisotropisch bedingten Doppelbrechung über die ganze Länge des Lichtleiters m ...


5
Dandliker Rene, Brook John Edward, Hamidi Massoud: Apparatus for and method of optical inspection in a total internal reflection holographic imaging system.. Holtronic Technologies, April 10, 1991: EP0421645-A2 (8 worldwide citation)

Apparatus for and a method of optical inspection in a total internal reflection holographic imaging system. Multi wavelength laser beams are directed onto a prism supporting a first substrate containing pre-recorded hologram which is to be imaged onto a recording medium of a second substrate, the mu ...


6
Dandliker Rene, Iten Paul D: Method and apparatus for the presentation of frequency. Aktiengesellschaft Brown Boveri & Cie, Toren McGeady and Stanger, July 9, 1974: US3823374 (8 worldwide citation)

A method of presenting frequency whereby an input signal is compared with a comparison frequency which is variable in accordance with a control signal. Agreement between a frequency contained in the input signal and the comparison frequency has the effect of producing an indication signal and, by re ...


7
Brandli Hanspeter, Dandliker Rene: Device for the frequency stabilization of a gas laser oscillator. Institut fur Angewandte Physik der Universitat, July 20, 1971: US3594659 (7 worldwide citation)

A device for the frequency stabilization of a gas laser oscillator, wherein the oscillator is formed by a laser between two reflectors, the laser consisting of a tube filled with helium and neon, the latter free of isotopes. An error signal is obtained corresponding to the deviation of a resonant fr ...


8
Dandliker Rene, Ineichen Beat: Method of measuring small objects. BBC Brown Boveri & Company, Oblon Fisher Spivak McClelland & Maier, April 23, 1974: US3806251 (6 worldwide citation)

A method of measuring small objects is disclosed, in which Fraunhofer diffraction patterns of the object being measured and a reference object are produced through illumination of both objects with coherent light. The radiation intensities of both diffraction patterns are then measured at the same p ...


9
Mottier Francois M, Dandliker Rene: Apparatus for evaluating holographically reconstructed wave fields with two frequencies. BBC Brown Boveri & Company, Oblon Fisher Spivak McClelland & Maier, October 21, 1975: US3914056 (3 worldwide citation)

Apparatus for evaluating the reconstruction of holographically recorded wave fields wherein the same spatial arrangement of the reconstructing apparatus with respect to the recording medium and the reference waves is utilized as in the recording process. The frequencies of the reference waves utiliz ...


10
Dandliker Rene, Mottier Francois: Process and apparatus for investigating the coherence of light radiation. Aktiengesellschaft Brown Boveri & Cie, December 4, 1973: US3776636 (3 worldwide citation)

A process and an apparatus are disclosed for examining the mode structure or coherence of laser light beams. According to the process, the laser beam to be studied is first divided into two portions which are projected onto a diffusely scattering body in a superimposed fashion. If the laser beam is ...