Search found 4 matches

by Serge
Thu Jan 21, 2021 7:01 pm
Forum: Beginning Holography
Topic: It was beginner luck indeed, or I don't know how I mess it all
Replies: 2
Views: 7025

Re: It was beginner luck indeed, or I don't know how I mess it all

Thank you for the advice. I think I figured it out what happened. My temperature was too low so the gelatin never melt. So today I coat some more samples but I think I screw it again because I tried to accelerate the drying by putting the plates over the heat platform. Now they look kind of dark, I ...
by Serge
Wed Jan 20, 2021 10:16 pm
Forum: Beginning Holography
Topic: It was beginner luck indeed, or I don't know how I mess it all
Replies: 2
Views: 7025

It was beginner luck indeed, or I don't know how I mess it all

Hello evwryone again. Its me, the chinesse laser guy. Today I want to tell you about how I prepare new emulsion. I used some 250 blum 10 years old gelatin, so I don't know if that's the reason why it never get liquid at all. It turn out extremely lumpy even though I'm pretty sure the heat temperatur...
by Serge
Thu Jan 14, 2021 10:40 am
Forum: Beginning Holography
Topic: A little more of beginners luck
Replies: 3
Views: 7244

Re: A little more of beginners luck

Hey Joe, thanks a lot for your response. I'll keep on improving on the emilsion/coating part of the process. I'm already in touch with Dave. So very soon I hope will be trying osram laser.

Have a nice day.
by Serge
Tue Jan 12, 2021 1:18 am
Forum: Beginning Holography
Topic: A little more of beginners luck
Replies: 3
Views: 7244

A little more of beginners luck

Hello. Been doing more samples. Here is the best result that I had on last batch. https://www.instagram.com/p/CJ7zFdGjpVf/?igshid=bvwo39f7bh0v 532 nm ?mW chinese/battery laser DCG 50/6/1.5 Veil coating/ 24 hours drying 5m exposure No optics 5m in the dark after exposure Fix with1m light 2m on cold r...