Wavelength selectable spectroheliograph

Details Wavelength selectable spectroheliograph Wavelength selectable spectroheliograph

2007-04-24

2007-04-24

Evans, F. L. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

For spectrographic investigation

C356S328000

Reexamination Certificate

active

10864134

ABSTRACT:
An apparatus, system and method are provided for composing an image at a selectable wavelength, wavelengths or bandwidth. Light passing through an entrance slit is dispersed into a spectrum and recorded. In an embodiment, spectral images corresponding to respective portions of an object are generated. Image data corresponding to a selected wavelength, wavelengths or bandwidth is extracted from the spectral images and compiled into an image of the object. In an embodiment, user optics are provided which allow a user to align the object with the entrance slit or to focus the light from the object onto the entrance slit.

REFERENCES:
patent: 3580679 (1971-05-01), Perkins
patent: 4705396 (1987-11-01), Bergstroem
patent: 5717487 (1998-02-01), Davies
Hanaoka, Multi-Wavelength, High-Speed Video Spectroheliograph, Proceedings of SPIE—Innovative Telescopes and Instrumentation for Solar Astrophysics, Feb. 2003, vol. 4853, pp. 584-592.
Philippe Rousselle, Observing the Sun with a Spectroheliograph <http://astrosurf.com/Spectrohelio/index-qb.htm> accessed May 25, 2004, 25 pages.
Claude Plymate, “Two-Dimensional Imaging Of The Fundamental Rotation-Vibration Carbon Monoxide Lines at 4.67μm,” University of Western Sydney, downloaded from the internet at www.noao.edu
oao/staff/plymate/docs/plymate—arp.pdf, on Jun. 16, 2005, 40 pages.

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