====== Transmission Holograms ======
===== Exposure =====
Need 110 \mu Jcm^-2 on holographic plate.
Measured 0.3 \mu Wcm^-2 with power meter.
{110 \mu Jcm^-2}/{0.3 \mu Wcm^-2}=367s=6 minutes
Assuming measurement error with power meter, shortening the exposure time,
^Plate^Exposure^Developing^Bleach^
|1|3 min|3 min|1 min|
|2|5 min|2 min|2 min|
View video of plate #2,
