Oh oh

This is a new main header…

I am starting on on holography again…

New advances have left this field open.

Cheaper lasers may make DCG plates easier to expose.

Polymer films with diffraction efficiencies greater than 95% are available and reasonably sensitive and … polychromatic.
Picked up a kit fromĀ Litiholo

5 minute exposure seems daunting but we’ll see when it gets here.

Litiholo results