Improvement of the transmittance of methylene-blue-sensitized dichromated gelatin

Shinji Namba; Kazumasa Kurokawa; Tatsuya Fujita; Toru Mizuno; Toshihiro Kubota

doi:10.1117/12.59638

1 May 1992 Improvement of the transmittance of methylene-blue-sensitized dichromated gelatin

Shinji Namba, Kazumasa Kurokawa, Tatsuya Fujita, Toru Mizuno, Toshihiro Kubota

Proceedings Volume 1667, Practical Holography VI; (1992) https://doi.org/10.1117/12.59638
Event: SPIE/IS&T 1992 Symposium on Electronic Imaging: Science and Technology, 1992, San Jose, CA, United States

Abstract

The monomer state methylene blue (MB) dye plays a major role as a sensitizer in methylene blue sensitized dichromated gelatin (MBDCG). The dimer state of the MB can be reduced significantly by controlling the concentration of the MB, the chromium and the water in the gelatin. The authors achieved over 80% transmittance of the MBDCG plate for red light without sacrificing the sensitivity. Some experimental results of full color holograms recorded by the single beam Lippmann method (Denisyuk configuration) are presented.

Citation Download Citation

Shinji Namba, Kazumasa Kurokawa, Tatsuya Fujita, Toru Mizuno, and Toshihiro Kubota "Improvement of the transmittance of methylene-blue-sensitized dichromated gelatin", Proc. SPIE 1667, Practical Holography VI, (1 May 1992); https://doi.org/10.1117/12.59638

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