This is well outside my knowledge and experience, so all I'm doing is passing on this link which has contributions from Ryuji as a starting point for a bit of web surfing for the sake of interest (I hope that Ryuji doesn't mind me linking to that thread).
You could also google 'diethylthiatricarbocyanine sensitization', as I did to find the above, or 'diethylthiatricarbocyanine' or similar and follow links. Tadaaki Tani calls it ‘Dye 8’ in ‘Photographic Sensitivity’. It is dye 69 in Mees, who also gives examples of the spectral sensitivities of a chlorobromide emulsion sensitized with a number of infrared sensitizers.
Last edited by Helen B; 10-31-2006 at 05:53 PM. Click to view previous post history.
Reason: Mees reference added.