Dual Thermoplastic Holography Recording System

H. L. Umstatter; J. L. Doty; J. D. Trolinger

doi:10.1117/12.946270

12 June 1985 Dual Thermoplastic Holography Recording System

H. L. Umstatter, J. L. Doty, J. D. Trolinger

Proceedings Volume 0523, Applications of Holography; (1985) https://doi.org/10.1117/12.946270
Event: 1985 Los Angeles Technical Symposium, 1985, Los Angeles, United States

Abstract

Historically, holograms have been recorded on silver halide emulsions which require darkroom processing. In recent years, thermoplastic recording procedures have matured and commercial devices are now available. A thermoplastic device records the light intensity pattern in the hologram solely by using electromechanical forces and is an electronic device. The hologram is prepared for exposure, processed, and fixed electronically by a "dry" process, in place, within seconds. Recordings can be inspected immediately and data reduction initiated. In addition, poor recordings may be erased repeatedly until the desired hologram is produced. Since the plates are electronically activated, double plate holographic interferometry is implemented in-situ; as the rear plate is exposed before the front plate is sensitized. The plates are mounted in adjustable receptacles allowing for fringe control in holographic reconstruction. This paper describes the development and applications of a double plate thermoplastic holography device using a commercial single plate thermoplastic device.

Citation Download Citation

H. L. Umstatter, J. L. Doty, and J. D. Trolinger "Dual Thermoplastic Holography Recording System", Proc. SPIE 0523, Applications of Holography, (12 June 1985); https://doi.org/10.1117/12.946270

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