Rebuilding | Week 1 |
Week 2/3 | Week 4
| Week 5 | Week 6
| Week 7 | Week 8
| Week 10 |
based on rebuilding my lab.
last updated September 5, 2003
- I wish I'd built a larger table. I had no idea I'd progress as fast
as I have. I've reached and passed my previous accomplishments in
holography in that I'm able to reliably create bright holograms every single
time (except when I'm experimenting in some way). With my previous
setups it was as much trial and error as anything else. The reason I
should have built a larger table is that it would facilitate setups for H1-H2
copying without having to get too creative about the geometry. As it is,
I'm going to have to "go vertical" in order to make any decent copies.
- I'm really glad I put a canopy on
the table. This has two benefits: 1) I can go in and out of my office
without worrying about ruining film. This also means that I'm not near the
table during an exposure and hence there's less chance of the odd vibration
ruining a shot and 2) it blocks air drafts. I have two computers
that are running all the time and they throw out a fair amount of hot air.
The canopy ensures that I've got a stable volume of air over my table.
One drawback to my current canopy is that it's attached to the table and that
means I have to turn off my HEPA fan and AC when doing an exposure. I
have plans to modify it so that the canopy sits on the floor but haven't just
- I'm also glad that I had a Mindstorms
kit. This has allowed me to automate the settling and exposures from
outside the lab and also helps to ensure that I won't be causing any
- Another thing to be glad about is the online community centered around the
Holography Forum. The people on that forum have been invaluable to me
and I'm certain I wouldn't have progressed as fast if they weren't around (as
evidenced by the relative lack of progress I made during my first go at
- If you're thinking of getting started in Holography, don't assume that
just because someone says you need $10,000 worth of equipment and a concrete
slab to work that you shouldn't bother. Many of the "rules" in
Holography were made by people who had access to labs full of expensive
equipment who didn't question their own assumptions. Find out why the
"rule" is considered a rule and question if it applies to you. For ages
people said you couldn't make holograms on a wood floor. I'm making
quite good holograms in my second floor office. People say you need an
expensive isolation table to make holograms. There's a man who has
nothing more than bubble wrap between his steel "table" and his basement
floor. He has no problems with vibrations coming through the floor.
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Monday, January 01, 2007