Yes, it's such a shame as it was an extremely friendly community and a great resource. I can only hope that some of the members will find their way here.
Jem
Search found 138 matches
- Sat Dec 31, 2011 9:25 am
- Forum: General Holography
- Topic: No Ning
- Replies: 13
- Views: 6648
- Tue Dec 06, 2011 10:26 am
- Forum: General Holography
- Topic: Vertical Dark Bands on H2
- Replies: 47
- Views: 15135
Vertical Dark Bands on H2
John sent me one of his H1's for me to make a H2 from on my setup. Unfortunately the weather in our part of the UK was terrible at the weekend (high winds and torrential rain). I need to wait until the weather improves as it has an adverse effect on the quality of H2 hologram I can make. I'm hoping ...
- Mon Dec 05, 2011 11:29 pm
- Forum: DCG
- Topic: Ammonium Dichromate in the UK
- Replies: 8
- Views: 6045
Ammonium Dichromate in the UK
Hi Have you tried Camlab? http://www.camlab.co.uk/ammonium-dichromate-pure-assay-99-250g-p14915.aspx Or here http://www.timstar.co.uk/Item/Chemicals~Chemicals-C-_A~Ammonium_dichromate_LR/AM1246/.html Not sure how you'll get on as a private individual though as a lot of these companies will now only ...
- Mon Nov 28, 2011 5:08 pm
- Forum: Beginning Holography
- Topic: interesting link and kit- will it popularize holography?
- Replies: 60
- Views: 28938
interesting link and kit- will it popularize holography?
Dave, I wouldn't mind seeing the curves if you could send me them.holomaker wrote:Jem find the plates a do a green/blue test !
Cheers
Jem
- Mon Nov 28, 2011 8:38 am
- Forum: Beginning Holography
- Topic: interesting link and kit- will it popularize holography?
- Replies: 60
- Views: 28938
interesting link and kit- will it popularize holography?
Hi It's the Litiholo kit. There is no developing with the plates supplied in the new kits, they use a photopolymer which is self developing as it's being exposed. This has the advantage that it's not reaqlly possible to over-expose the plates. I've made a couple of reasonable holograms using their k...
- Thu Nov 17, 2011 9:14 am
- Forum: General Holography
- Topic: Introductions
- Replies: 88
- Views: 4844412
Introductions
Hi Bruno Welcome aboard :) Holography is a brilliant hobby that presents many challenges, it's great to have you with us. Is there any chance you could fill out your approximate geographic location in your profile? We can then see roughly where you are and there may even be some 'local' help ;) Chee...
- Thu Nov 03, 2011 5:16 am
- Forum: General Holography
- Topic: Is Beam Ratio Important when making H1 Masters
- Replies: 13
- Views: 5193
Is Beam Ratio Important when making H1 Masters
Dinesh... What a superb answer, thank you :) That's allowed me to clarify my understanding of the fringe making process that goes on during exposure. I would never have made the association with sound waves, but it all makes sense now, what a great analogy. Thanks again for taking the time to explai...
- Mon Oct 31, 2011 3:43 pm
- Forum: General Holography
- Topic: Is Beam Ratio Important when making H1 Masters
- Replies: 13
- Views: 5193
Is Beam Ratio Important when making H1 Masters
Hi Ed
No, the reference beam is the brighter one. It's just that these CdS Cells work the opposite way around to 'normal' meters (yeah, took me a while to get my head around it ). With the CdS cell, the lower the number the brighter the beam
Jem
No, the reference beam is the brighter one. It's just that these CdS Cells work the opposite way around to 'normal' meters (yeah, took me a while to get my head around it ). With the CdS cell, the lower the number the brighter the beam
Jem
- Fri Oct 28, 2011 4:01 am
- Forum: Beginning Holography
- Topic: seeing spots before my eyes and hating it
- Replies: 8
- Views: 4669
seeing spots before my eyes and hating it
Hi Ron
If you're around on Skype tomorrow i'll show you the method John and I use. I too struggled with getting a 'clean' squeegee, but once I adopted John's method I haven't looked back
Cheers
Jem
If you're around on Skype tomorrow i'll show you the method John and I use. I too struggled with getting a 'clean' squeegee, but once I adopted John's method I haven't looked back
Cheers
Jem
- Wed Oct 19, 2011 5:57 am
- Forum: For Sale / Want to Buy / Trade
- Topic: Jem's Clearout Sale - Part 2
- Replies: 2
- Views: 2043
Jem's Clearout Sale - Part 2
He-Cd is now sold pending payment.
Small Argon and Large HeNe are still for sale.
Small Argon and Large HeNe are still for sale.