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San Diego , Calif.
, February 10, 2005 – Gamma
Scientific, a leading provider of precision light-measurement
instruments, today announced the release of the
TIA-3000, a new multi-application, transimpedance-amplifier
system. This ultra-precise luminance, night-vision
and general-radiometric light-measurement system
features interchangeable lenses and filters that
enable the user to quickly tailor the system
to a wide range of applications. 
Developed under a contract from the National
Institute of Standards and Technology (NIST),
the TIA-3000 is the most sensitive primary-standard,
light-measurement instrument on the market today.
In its luminance configuration, the instrument
detects as little as 10-6 candelas per square
meter (cd/m2) of luminance and features a temperature-stabilized
detector that maintains 0.01% linearity over
a dynamic range of more than a 1,000,000 to 1.
Total dynamic range spans eight separate decades.
Moreover, the optical system enables the user
to select any one of six different spot sizes,
from 5.0° to 0.1°.
When configured for night vision, the instrument
detects as little as 0.3 femtowatts (0.3 x 10 -15 W) of optical power and features a temperature-stabilized
detector that maintains 0.01% linearity over
a dynamic range of more than a 1,000,000 to 1.
Total dynamic range spans eight separate decades.
"The new TIA-3000 is an order of magnitude
more sensitive than any similar instrument previously
available," said Richard Austin, president
of Gamma Scientific. "This unprecedented
sensitivity can lower measurement uncertainty
by a factor of ten, enabling faster measurements
and ultimately decreasing the cost of performing
luminance and night-vision display measurements."
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