Method of producing a microspectrometer reflection grating

Details Method of producing a microspectrometer reflection grating Method of producing a microspectrometer reflection grating

1998-06-29

2000-06-06

Hughes, S. Thomas

Metal working

Method of mechanical manufacture

Obtaining plural product pieces from unitary workpiece

B23P 1700

Patent

active

060703156

ABSTRACT:
In a method of producing a self-focusing reflection grating structure for the series manufacture of microspectrometers including flexible foil strips provided with a grating structure and supported in a microspectrometer housing, a foil is first mounted onto a support member of an ultraprecision turning lathe on which circumferential parallel grooves are cut into the foil by microforming diamonds providing a saw-tooth pattern of annular teeth with predetermined tooth spacing, the foil is then cut into a plurality of foil strips and the strips are bent into a curved shape providing a focusing reflection grating structure.

REFERENCES:
patent: 5152060 (1992-10-01), Schubert et al.
M.C.Huber et al., "Toroidal Grating Obtained On An Elastic Substrate", Applied Optics, Jun. 15, 1981, Bd. 20, Nr. 12, pp. 2139-2142.
H.W. Yen et al.,"Planar Rowland Spectrometer For Fiber-Optic Wavelength Demultiplexing", Optics Letters, Dec. 1981, BD. 6, Nr. 12, pp. 639-641.
Roux et al., "Fine Gratings Extend Spectrograph Resolution", Laser Focus World, Nr. 5, May 30, 1994, pp. 45-46.

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