Browse Prior Art Database

Parabolic Exponential Radiant Energy Transfer

IP.com Disclosure Number: IPCOM000049255D
Original Publication Date: 1982-Apr-01
Included in the Prior Art Database: 2005-Feb-09
Document File: 2 page(s) / 34K

Publishing Venue

IBM

Related People

Marinace, JC: AUTHOR

Abstract

Energy can be transferred by positioning an energy source at the focus of a parabolic reflector and positioning a reflecting exponential horn in or above the parabolic reflector with the susceptor at the smaller open end of the exponential horn.

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Parabolic Exponential Radiant Energy Transfer

Energy can be transferred by positioning an energy source at the focus of a parabolic reflector and positioning a reflecting exponential horn in or above the parabolic reflector with the susceptor at the smaller open end of the exponential horn.

A large proportion of the rays will strike the susceptor in the normal direction or nearly so, reducing the occurrence of reflected rays.

This configuration is useful in chemical vapor deposition and in coupling high power to an optical fiber.

The structure is generally illustrated in the figure.

Power is coupled from a near point source to a flat surface by positioning the point source at the focus of the parabolic reflector and employing a reflecting exponential horn between the reflector and the receiving surface, which may be a chemical vapor deposition susceptor or an optical fiber.

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