Extended-range near-infrared image intensifier

Joseph Lindmayer; David McGuire

doi:10.1117/12.19470

1 July 1990 Extended-range near-infrared image intensifier

Joseph Lindmayer, David McGuire

Proceedings Volume 1243, Electron Image Tubes and Image Intensifiers; (1990) https://doi.org/10.1117/12.19470
Event: Electronic Imaging: Advanced Devices and Systems, 1990, Santa Clara, CA, United States

Abstract

A class of stimulable phosphors, called electron trapping (ETTM) materials, have been developed that are responsive in the infrared. When the ET materials have been prepumped with short wavelength visible light and subsequently exposed to infrared, a visible orange to red wavelength is produced. Such an emission is readily detected by an image intensifier and offers an inexpensive method for extending the sensitivity range of image intensifier photocathodes, such as S-25. The infrared sensitivity range is from 0.8 ,um to 1.6gm, and the response time is on the order of tens of nanoseconds. A hand-held infrared viewer (called a NIRSCOPETM) has been constructed by mating the IR-stimulable phosphor with an image intensifier. The specific applications where the NIRSCOPE is useful are those involved with the imaging of near-JR emitting objects or imaging scenes in a dark environment. These include the following: o Imaging the emission output of laser diodes. o Detection of JR leakage from damaged fiber optic cables. o Imaging of near-JR laser targeting and ranging. o Alignment of optical bench components for near-JR propagation. o Dark room viewer for film processing.

Citation Download Citation

Joseph Lindmayer and David McGuire "Extended-range near-infrared image intensifier", Proc. SPIE 1243, Electron Image Tubes and Image Intensifiers, (1 July 1990); https://doi.org/10.1117/12.19470

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available