| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| shubham | "Hi wyzac How are you planning to go forward with aluminium holographic foil? Have you tried them already? I am using a flat-field concave grating ..." | Read more » | almost 8 years ago | |||
| shubham | "Thanks Warren for the advice. I searched a bit on internet and I think its important that the silver salt crystal to be of sub micron size to get s..." | Read more » | about 8 years ago |