Search found 38 matches
- Thu Sep 03, 2015 10:36 am
- Forum: Beginning Holography
- Topic: DIY simple interferometer question
- Replies: 6
- Views: 4363
Re: DIY simple interferometer question
The critical parameters when trying to use a cheap laser diode for holography is current and temperature stability. Some cheap laser diodes are totally unsuitable for holography, see links below. http://hololaser.kwaoo.me/ http://hololaser.kwaoo.me/laser/modeanalysis.html When starting out, keep it ...
- Sat Jul 04, 2015 3:32 pm
- Forum: Off Topic
- Topic: ISDH 2015 Video Recording ?
- Replies: 2
- Views: 2948
Re: ISDH 2015 Video Recording ?
I'm also hoping that video recordings will be available to watch soon.
Steven.
Steven.
- Thu Mar 19, 2015 10:29 am
- Forum: DCG
- Topic: Glass Cleaning
- Replies: 12
- Views: 7312
Re: Glass Cleaning
Yes true, Acetone I believe has less residue Say one last thing Steven, do you strip used film in a particular way? I've tried pure bleach or sometimes 10% Muriatic Acid with OK results. But sure would like a better method. Thanks again Tony Hi Tony, I just use a weak solution of hot caustic soda. ...
- Sat Mar 14, 2015 3:12 am
- Forum: DCG
- Topic: Glass Cleaning
- Replies: 12
- Views: 7312
Re: Glass Cleaning
I find that acetone is very effective.Tony DCG wrote:Thanks again for sharing Steven,
I some times use Methanol and Kim Wipes is there is some pit that will not be removed by air. Methanol does not leave much of a residue and evaporates very quickly.
Look forward to chatting some more!!
Tony
Steven.
- Thu Mar 12, 2015 10:00 pm
- Forum: DCG
- Topic: Glass Cleaning
- Replies: 12
- Views: 7312
Re: Glass Cleaning
Many thanks Steven great read. You are welcome Tony, "I use Dawn soap when first washing glass I believe it has low amounts of sodium hydroxide" Probably, but they don't list it in the msds: http://whatsinproducts.com//brands/show_msds/1/7115 I use Fairy washing up liquid. It's also made ...
- Wed Mar 11, 2015 10:00 pm
- Forum: DCG
- Topic: Glass Cleaning
- Replies: 12
- Views: 7312
Re: Glass Cleaning
I have not noticed any scratches on the glass using my method.Tony DCG wrote: Does it scratch the glass?
Thanks again
Tony
Steven.
- Wed Mar 11, 2015 9:57 pm
- Forum: DCG
- Topic: Glass Cleaning
- Replies: 12
- Views: 7312
Re: Glass Cleaning
I now use a caustic soda scrub and a hydrochloric acid soak. Hi Steven Can you expand on this? Thanks again Tony Hi Tony, My long, tedious method for what's it worth: I scrub both surfaces of the glass with a concentrated solution of sodium hydroxide using a non-scratch scouring pad, the ones that ...
- Tue Mar 03, 2015 12:32 pm
- Forum: DCG
- Topic: Glass Cleaning
- Replies: 12
- Views: 7312
Re: Glass Cleaning
Hi tony, I have never seen this on my glass, which is just picture framing glass. I have not had a great deal of success using bleach/TSP. I now use a caustic soda scrub and a hydrochloric acid soak. I wonder if you have a bad batch of glass, surface contaminated with silicone or something? Ed, yes ...