Patent · US Expired

Device for changing the length of the running path of an electromagnetic wave

US6341870B1 · kind B1 · utility

10Cited by

8References

29Claims

0Family size

Assignee

Medizinisches Laserzentrum Luebeck GmbH · DE

Inventors

Peter Koch · Wulfen, DE
Christian Scholz · Neustadt an der Weinstraße, DE
Ralf Engelhardt · Bodelshausen, DE
Stefan Kubasiak · Stade, DE

Key dates

Filing date	May 26, 2000
Grant date	Jan 29, 2002
Priority date	—
Expiry date	May 26, 2020

Classification

Technology area (CPC G)Physics
CPC primaryG02B26/06
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The device serves the change of the length of the running path of an electromagnetic wave, and specifically of a light beam between the emitter and receiver. It comprises two oppositely lying reflection means between which the beam is reflected, as well as a means for changing the distance of these reflection means. The reflection means are arranged at an angle &bgr; to one another which lies between 0° and 45° so that the incident beam is thrown to and fro several times between the reflection means, until it is finally congruently thrown back.

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