You are correct. I was mis-remembering. It was ferric ammonium oxalate: http://holowiki.org/wiki/Experimenter%2 ... um_OxalateDin wrote:You may be mixing apples and oranges.jsfisher wrote:There was a discussion (sometime ago, now) about using ferro-cyanide chemistry in place of dichromates.
Search found 115 matches
- Wed Oct 05, 2016 3:09 pm
- Forum: General Holography
- Topic: Ain't nobody doing a anything?
- Replies: 17
- Views: 10139
Re: Ain't nobody doing a anything?
- Wed Oct 05, 2016 7:33 am
- Forum: Российский Форум
- Topic: Цветной мультиплекс
- Replies: 2
- Views: 9430
Re: Цветной мультиплекс
For the Russia-impaired (including me):
Color multiplex
Here's what happened to the two lasers 532 and 633, its emulsion, silver.
- Mon Sep 26, 2016 8:29 pm
- Forum: Events, announcements, and news
- Topic: Acoustic holography
- Replies: 3
- Views: 23525
Acoustic holography
This sounds like fun (pun intended). http://www.smithsonianmag.com/smart-new ... 63/?no-ist
- Sat Jul 23, 2016 8:38 am
- Forum: DCG
- Topic: Question about dichromate
- Replies: 7
- Views: 9228
Re: Question about dichromate
As Lobaz indicated, it is a personal decision. Chemicals should always be treated with respect, but a full-face respirator seems way over the top. If you have concerns of inhaling dichromate dust during the measuring and mixing process, a simple paints mask I'd think sufficient. Skin contact can be ...
- Fri Jul 22, 2016 10:18 pm
- Forum: For Sale / Want to Buy / Trade
- Topic: Coherent ring laser 532-100 like New!
- Replies: 4
- Views: 3520
Re: Coherent ring laser 532-100 like New!
Phil,
Good to see you again. It's been a while.
Good to see you again. It's been a while.
Re: Skulls!!
Matthias Soeliner posted a pair on Facebook (blech!!), too:
Skulls!!
Bob Hess posted over in Facebook land (blech!!!) about holograms of human skulls. Here is what he had to say: I have two old holograms of human skulls made in DCG, and both are 5x7" plates. Obviously different skulls. I wonder how many variations of this hologram are out there? I know the skull...
- Wed Jul 06, 2016 6:10 pm
- Forum: For Sale / Want to Buy / Trade
- Topic: Want to buy: a hologram to demonstrate the divisibility principle
- Replies: 7
- Views: 3796
Re: Want to buy: a hologram to demonstrate the divisibility principle
Oh, and by the way, FinnAgain Zero, welcome to the Holography Forum.
The regulars don't tend to post a lot on their own, but they are generally great at responding to someone else's query. Feel free to be that someone else.
The regulars don't tend to post a lot on their own, but they are generally great at responding to someone else's query. Feel free to be that someone else.
- Wed Jul 06, 2016 6:04 pm
- Forum: For Sale / Want to Buy / Trade
- Topic: Want to buy: a hologram to demonstrate the divisibility principle
- Replies: 7
- Views: 3796
Re: Want to buy: a hologram to demonstrate the divisibility principle
Have a look at this video: https://www.youtube.com/watch?v=tjWznlGst9M
At the 1:15 mark and then at the 13:00 mark, TJ demonstrates what I think you are looking to do. Yes?
At the 1:15 mark and then at the 13:00 mark, TJ demonstrates what I think you are looking to do. Yes?
- Mon Jun 20, 2016 9:35 pm
- Forum: For Sale / Want to Buy / Trade
- Topic: Photopolymer Film - Red Sensitive
- Replies: 3
- Views: 2820
Re: Photopolymer Film - Red Sensitive
Sergio,
Your post prompted me to visit your website. I see it has been redone. Nice improvement. On the other hand, I also noticed that there was no longer a page for ordering evaluation samples. Is that a thing of the past now?
/JSFisher
Your post prompted me to visit your website. I see it has been redone. Nice improvement. On the other hand, I also noticed that there was no longer a page for ordering evaluation samples. Is that a thing of the past now?
/JSFisher