Patent · US Active

Apparatus for reducing fringe interference of light created in an optical system of a laser spectroscopy system

US8619364B2 · kind B2 · utility

1Cited by

7References

4Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Pawel Kluczynski · Mörbylånga, SE
Rikard Larking · Floda, SE
Tomas Lock · Heby, SE

Key dates

Filing date	Dec 16, 2010
Grant date	Dec 31, 2013
Priority date	—
Expiry date	Mar 2, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG01J3/4338
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An apparatus for reducing fringe interference of light created in the optical system of a laser spectroscopy system comprising an electromagnetic actuator for generating, along a laser path, physical translational vibration of an optical element of the optical system and a control device for controlling the amplitude and frequency of said vibration. The optical element is arranged on a cantilever body which is, at one end, attached to a base by a flexural pivot and, at the other free end, coupled to the electromagnetic actuator, and the control device includes a controller that controls the amplitude of the vibration and a vibration sensor attached to the cantilever body and providing the actual vibration value to the controller to improve fringe interference reduction, especially with longer wavelengths.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.