That is a totally different wavelength of infrared. That camera "sees" 9-13um, heat. The wavelength of NIR used in what he is concerned with is 1um or less. Visible light is between .4 and .7um.
-Jerry > On Apr 11, 2015, at 8:59 AM, Mark Allyn <[email protected]> wrote: > > There is an infrared camera at OMSI. It's a fairly high end one from Flir. > It's located in the exhibits in the steam turbine hall. > > Mark > > ----- Original Message ----- > From: "Jerry Biehler" <[email protected]> > To: "A discussion list for dorkbot-pdx (portland, or)" > <[email protected]> > Sent: Saturday, April 11, 2015 8:07:53 AM > Subject: Re: [dorkbotpdx-blabber] IR absorbent & cheap material > > For fabric look at dyed natural fabrics like cotton. Synthetics like > polyester and nylon and virtually transparent. > > -Jerry > >> On Apr 11, 2015, at 12:09 AM, William Wilson <[email protected]> >> wrote: >> >> I've had problems when asking about the optical and electrical properties of >> materials... whether fabric or plastic film, the guys at the stores >> generally only know what the label says. >> I would recommend using a camcorder with *really* good night vision (like a >> Sony Handycam with "super nightshot" from 15 years ago, or one of those >> little gold colored $20 cmos security cameras), and bring it to the fabric >> store. You don't have to record, if you have a little screen you can watch >> for fabrics that look *very* black. >> >> Just remember if they think you're recording they may decide to kick you >> out.. and I've found that humans can be really dangerous if you try to >> burden them with reality *after* they've formed an opinion. >> _______________________________________________ >> dorkbotpdx-blabber mailing list >> [email protected] >> http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber > _______________________________________________ > dorkbotpdx-blabber mailing list > [email protected] > http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber > _______________________________________________ > dorkbotpdx-blabber mailing list > [email protected] > http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber _______________________________________________ dorkbotpdx-blabber mailing list [email protected] http://music.columbia.edu/mailman/listinfo/dorkbotpdx-blabber
