we dont have a home depot in the uk can i use a standard safety light ie the red dome ones for black and white developing what is a phosphoresent night light is it a flo-tube with a green cover the kind of tube you have in a kitchen!!!!
Matthew - Sat, Sep 18, 99 08:11:23 PM
NO! You cannot use a red safelight. At least, not if you're using an HeNe or laser diode laser.
Remember: the laser light is red. Therefore, the film/plate on which the hologram is recorded is sensitive to red light. Red light from a safelight would ruin the film/plate.
In black-and-white photography, the paper is INsensitive to red light. That is, the red light will not cause the paper to change color.
For holographic plates/film, the film is typically sensitive to red light but insensitive to green light.
The best bet is to look at the frequency response of your film and choose a color that the film is not sensitive to, then build a safelight at that color. 207.13.31.68
Ronny Andreassen - Sun, Sep 19, 99 03:23:45 AM
Hi Jason. In the UK you have a firm called UK Optical Supplyes where you can buy Green Safelight sheets. Please contact Ralph Cullen/manager. If you have problems to find his phone or fax # please e-mail me and I will give you the #'s.... rorasmu@online.no 130.67.15.250
KRIS MEERLO - Sat, Nov 13, 99 06:10:41 AM
HI JASON.
FOR A GREEN SAFE LIGHT, I USE A GREEN L.E.D WHIT A REFLECTOR
THEY ARE BRIGHT ENOUGH TO SEE WHAT YOU ARE DOING.
TIREX@WANADOO.NL 194.134.193.16
Jens Kilian - Wed, Jan 12, 00 05:57:03 AM
Use a green safelight - but don't worry too much. I took a hands-on course in Stuttgart
last summer where we used HRT plates (http://www.holographic-materials.de/).
One of the guys took an exposed, undeveloped plate OUT OF THE DARKROOM,
and INTO FULL SUNLIGHT for at least 10 seconds. It still came out perfectly.
(NB I don't recommend trying this!) 192.6.76.68
Steve Michael - Fri, Mar 31, 00 06:36:39 PM
Hi Jason: look at my web site where I have instructions on a very simple green safelight that you could use:
http://www.3dimagery.com/safelite.html 207.172.11.147
Joeb - Fri, Jun 08, 01 09:30:10 AM
Hi
Look at www.safety.com
Its realy good. 193.193.32.13