Search found 89 matches
- Fri Feb 19, 2016 1:49 pm
- Forum: General Holography
- Topic: Exposure time
- Replies: 28
- Views: 11799
Exposure time
Hi, I use vrp-m, data sheet says 70uJ/cm ^2 for the maximum diffraction efficiency at density 2. For measuring I use a OPT202 from burr brown, with the internal 1Mohm resistor. Data sheet says about 0,27v/uW at 532nm. It is related to an area of 2,29mm x 2,29 mm. My voltmeter measures 10mV So I calc...
- Thu Feb 18, 2016 11:31 pm
- Forum: Gallery
- Topic: Ballerina hologram
- Replies: 4
- Views: 7351
Re: Ballerina hologram
Cool! I like the mirror idea!
- Sat Jan 02, 2016 4:40 pm
- Forum: General Holography
- Topic: new fringe locker
- Replies: 4
- Views: 3415
Re: new fringe locker
Ah sorry, my fault.
Same question to joe!
Same question to joe!
- Sat Dec 26, 2015 8:58 am
- Forum: General Holography
- Topic: new fringe locker
- Replies: 4
- Views: 3415
Re: new fringe locker
Nice, Colin!
For which recordings do you use it?
White light reflection copies?
Can you recognize any measurable improvements?
How do you integrate it in your setup?
For which recordings do you use it?
White light reflection copies?
Can you recognize any measurable improvements?
How do you integrate it in your setup?
- Tue Nov 10, 2015 11:17 pm
- Forum: Events, announcements, and news
- Topic: New Edition: Practical Holography
- Replies: 5
- Views: 24322
Re: New Edition: Practical Holography
Has anyone ordered it at crc website and received it yet?
I ordered it in the second week of September, but did not receive it yet.
I ordered it in the second week of September, but did not receive it yet.
- Sun Sep 20, 2015 2:54 am
- Forum: General Holography
- Topic: Table cover
- Replies: 5
- Views: 3201
Re: Table cover
Thanks for your Ideas!
I am building a cover, will post pictures, when finished...
I am building a cover, will post pictures, when finished...
- Sat Sep 12, 2015 5:26 pm
- Forum: General Holography
- Topic: Table cover
- Replies: 5
- Views: 3201
Table cover
Has anyone covered the table to reduce air currents and block noise from outside?
Would you recommend that? Or is that not necessary?
What did you use?
Wood, foam, styrofoam?
Pictures?
Would you recommend that? Or is that not necessary?
What did you use?
Wood, foam, styrofoam?
Pictures?
- Sat Sep 12, 2015 4:16 pm
- Forum: Events, announcements, and news
- Topic: New Edition: Practical Holography
- Replies: 5
- Views: 24322
New Edition: Practical Holography
CRC announced a new edition of practical holography:
https://www.crcpress.com/Practical-Holo ... 1482251579
https://www.crcpress.com/Practical-Holo ... 1482251579
- Tue Aug 25, 2015 5:03 pm
- Forum: For Sale / Want to Buy / Trade
- Topic: Some Holograms for sale or trade
- Replies: 4
- Views: 3318
Some Holograms for sale or trade
I have some holograms from my collection for sale or trade.
If anyone is interested please drop me a personal message with your mailadress, I will send you a list.
If anyone is interested please drop me a personal message with your mailadress, I will send you a list.
- Sun Jul 05, 2015 9:55 am
- Forum: Off Topic
- Topic: ISDH 2015 Video Recording ?
- Replies: 2
- Views: 3016
Re: ISDH 2015 Video Recording ?
Yes, i think Kaveh did that in the Last years, and he did a really reat Job!