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Title:
FOURIER TRANSFORM SPECTROPHOTOMETER
Document Type and Number:
Japanese Patent JPS63135827
Kind Code:
A
Abstract:
PURPOSE:To obtain a stable interference signal by eliminating optical fluctuation, by providing a partition wall between a moving mirror and an interferometer part containing a beam splitter and a fixed mirror. CONSTITUTION:In order that no effect of the operating air of an air bearing 1 holding a moving mirror 5 in a slidable manner affects an interferometer block, a partition wall 9 is provided between the moving mirror block containing the air bearing 1 and the interferometer block and the window plate 2 contacting the optical beam path of the partition wall 9 is used as a compensator for compensating beam path difference not only to block the flow of air between the moving mirror block and the interferometer block but also to optically connect both blocks without requiring a special mechanism. By this method, the operating air of the air bearing 1 is prevented from traversing the optical beam path and a stable optical signal is obtained.

Inventors:
ICHIMURA KATSUHIKO
Application Number:
JP28334686A
Publication Date:
June 08, 1988
Filing Date:
November 28, 1986
Export Citation:
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Assignee:
SHIMADZU CORP
International Classes:
G01J3/45; (IPC1-7): G01J3/45



 
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