Search found 166 matches

by jrburns47
Wed Oct 16, 2019 11:25 pm
Forum: General Holography
Topic: Polarizing cube beamsplitter setup?
Replies: 0
Views: 6101

Polarizing cube beamsplitter setup?

Has anyone used this particular polarizing cube beamsplitter setup?
B50AD139-3A10-4BA0-8F0F-70B41BA23FBF.png
B50AD139-3A10-4BA0-8F0F-70B41BA23FBF.png (23.2 KiB) Viewed 6101 times
by jrburns47
Wed Oct 16, 2019 9:50 am
Forum: Off Topic
Topic: Anybody still here?
Replies: 19
Views: 14869

Re: Anybody still here?

I still post here occasionally when something is especially important to me. Mainly though, I search old posts for info here when trying to figure something out.
by jrburns47
Thu Sep 19, 2019 11:45 am
Forum: General Holography
Topic: Silver halide sensitivityy enhancer
Replies: 10
Views: 8786

Re: Silver halide sensitivityy enhancer

Be a member of SPIE and/or buy a digital library subscription - aka paywall...
by jrburns47
Sun Aug 11, 2019 8:39 pm
Forum: Off Topic
Topic: [Presentation] Loic74
Replies: 4
Views: 10344

Re: [Presentation] Loic74

Recommend eBay US and other country based ebays for possible equipment. For example,
https://rover.ebay.com/rover/0/0/0?mpre ... 2727863739
by jrburns47
Sun Aug 04, 2019 8:39 am
Forum: General Holography
Topic: Apodizing filter
Replies: 2
Views: 5163

Re: Apodizing filter

I’m no expert on reflections but I would think, if it’s a Denisyuk, that, since diffuse objects tend to scatter & change the polarization anyway, the answer would be no negative effect. Even if the filter does change the polarization, it’s the same basic polarized or randomly polarized diverged ...
by jrburns47
Tue Jul 23, 2019 10:03 am
Forum: Beginning Holography
Topic: 3D Silhouette
Replies: 5
Views: 12434

Re: 3D Silhouette

why does it have to do with holography? Maybe there’s a forum somewhere that has to do with your 3D printer and it’s software.
by jrburns47
Tue Jul 23, 2019 8:47 am
Forum: Beginning Holography
Topic: 3D Silhouette
Replies: 5
Views: 12434

Re: 3D Silhouette

What’s the software supposed to do?
by jrburns47
Tue May 21, 2019 7:37 pm
Forum: For Sale / Want to Buy / Trade
Topic: Mercury arc lights
Replies: 2
Views: 4871

Re: Mercury arc lights

Definitely interested. Let me know when you get to it - no rush. Also interested in 546 line narrow bandpass filters and UV and/or heat absorbing clear glass filters. Thanks. Jburns@optonline.net