Transmission Holograms

Exposure

Need <m>110 \mu Jcm^-2</m> on holographic plate.

Measured <m>0.3 \mu Wcm^-2</m> with power meter.

<m>{110 \mu Jcm^-2}/{0.3 \mu Wcm^-2}=367s=6 minutes</m> Assuming measurement error with power meter, shortening the exposure time,

PlateExposureDevelopingBleach
13 min3 min1 min
25 min2 min2 min

View video of plate #2, <html> <table style=“width:auto;”><tr><td><a href=“http://picasaweb.google.com/lh/photo/ph6LCcypPhKBVTw1-uouGQ”><img src=“http://lh4.ggpht.com/photonicsguy/SQfCcn3q3jI/AAAAAAAAGhg/6KrBE5-28Lo/s144/PICT0980-deshaked-2.jpg” /></a></td></tr><tr><td style=“font-family:arial,sans-serif; font-size:11px; text-align:right”>From <a href=“http://picasaweb.google.com/photonicsguy/HolographySetup”>Holography Setup</a></td></tr></table> </html>