Adrianus Jacobus Jozef Franken

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Review of Scientific Instruments | 1983

Simple mechanism for insitu adjustment of gratings in UHV monochromators

W.A.M. Van Bers; Adrianus Jacobus Jozef Franken; P. K. Larsen

A mechanism is described for adjustment under ultrahigh vacuum of the optical alignment of gratings in a vertically dispersing grazing incidence monochromator. The mechanism is based on two pairs of broad leaf springs and it allows rotation of the grating, of up to one degree, around two mutually perpendicular axes with respect to the photon energy scan axis. Measurements for a grazing incidence monochromator show that to achieve optimum resolution the adjustment of the grating should be better than 0.1°.

Archive | 1976

Device for coupling a light source to an optical fiber

Giok Djan Khoe; Gerard Kuyt; Adrianus Jacobus Jozef Franken

Archive | 1979

Method of breaking optical fibers

Rudolf Brehm; Adrianus Jacobus Jozef Franken

Archive | 1981

Disc unit for information recording and/or reading system

Marinus Josephus Jakobus Dona; Adrianus Jacobus Jozef Franken; Pieter van der Giessen

Archive | 1979

Method of and device for providing a concentric envelope on an end of an optical fiber, and fiber having an end provided with a concentric envelope in accordance with the method

Adrianus Jacobus Jozef Franken; Giok Djan Khoe; Gerard Kuyt; Johannes H. F. M. Van Leest; Antonius Josephus Adrianus Nicia; Cornelis Johannes Theresia Potters; Hendricus Franciscus Smulders

Archive | 1979