Holographyforum.org / holowiki.org

Hello Last time is not going well.So I go back to basic the Coin, I start with 30min but it not that good https://www.youtube.com/watch?v=jC6fdj_2hM8 S__26042381.jpg Today I decide to do a test strip 20 30 50 70 90 100 min https://www.youtube.com/watch?v=NeoPNOh8QN0 S__26042377.jpg but the out come ...

As you can see the right part has no image on it 4651CC97-88E0-4AF3-94A0-2168F5D14DF8.jpeg 6C647765-8E2A-4664-AC31-47895941AF51.jpeg 0BFDCCDD-B93F-4F27-8E8D-7AE004AFE925.jpeg Is my exposure time too long? 51mw size5”x7”in 7x9plate My image still blure is it because they have some movement occur whil...

Hello, my hologram is visible but still some problem. I am using Lasos 50 mW lasers with 5 MHz linewidth This is my setup S__25878530.jpg S__25878553.jpg Size 7"x 9" Exposure time is 90 minute, 10 minute in Dark, 3 minute Fixer, 5 minute water, 2 minute 59%ipp, 2 minute 84% ipp, 3 minute 9...

Hello

My plate looks dimmer and not clear.
Is this because old emulsion, my develop is bad or under/over exposed ?

How can I get rid of that fringe line while using mirrors?

Another depth test

https://youtu.be/zx4jb_JuZ6g

Hello

Update test for depth

https://youtu.be/ucwrjBUwATA
I have another one but it is not very good in depth.
Just an inch away from the upper part, too blur to see anything.
Is there any way to increase the depth? Or I miss some things?

Finally The best one (at this moment) Thank you pluto and everyone. 278FF892-7053-4FFC-98A8-11574780ACFA.jpeg https://youtu.be/x8As5vZkGeU So the left side 1min is call Narrow band and right side 5min is call Broadband right? Or I just overexposed it. Is it better to get closer to 90degree or 56degr...

Came back with nothing. This is my setup diagram. 7301002C-9351-452E-B678-8E596F4E3270.jpeg Today subjects 15AC2D4D-318C-43A9-BBA3-82D1A6B8274A.jpeg What I got 30mindark 1minfixer 5minwater 1min59% 1min84% 3min99% dry hotgun E9F7A673-66AF-451D-AF3F-394B6DD27DE7.jpeg Is this call burn in effect? http...

Finally some part of an image appears. 5min exp 50mw 532 30mindark 2min fixer 5min water 2min58% 2min85% 5min99% dry with heat gun https://youtu.be/rPUqp83xrWM But only the lower part of the body appears. B6AA08E3-5C26-4918-BBF3-159E4E39C94F.jpeg I have a questions. After finishing coating the plate...

Yes