On Wed, 8 Dec 1999, Jacques Augustowski wrote:
> Jacques Augustowski wrote:
>>
>> Well, if you are careful not to scratch use acrylic or Plexiglas. They
>> transmit UV better than glass. Even if you have some minor scratches
>> polishing will take care.
<snip and join postings>
> Acrylics starts transmitting at about 380 nm and goes on linearly up to 700 nm. If you
> want I give give the reference.
> Jacques
UV light would have a wavelength LESS than 400 nm. Infrared would be
anything GREATER than 700 nm (700 nm is a very dark red). That means you
have effectively refuted your own claim about the UV transmissivity of
Plexiglas, and shown that Plexiglas blocks rather than transmits
UV light.
- Wayde
(wallen@boulder.nist.gov)
This archive was generated by hypermail 2b29 : Tue Jan 11 2000 - 12:10:48