Phototubes
FEATURES
High-speed response
As phototubes have low capacities, their rise time characteristics are fast (approx. 10 ns).
Choice of spectral response
As figure on right shows, phototubes offer a variety of spectral response characteristics, ranging from the vacuum UV (115 nm) to infrared (1100 nm) regions. Even a wide spectral response (from near UV to near infrared) can be covered by a signal tube. The users can choose optimum tubes with photocathodes suitable for their application.
High sensitivity and high stability
High sensitivity and high stability make phototubes very useful in chemical and medical analytical instruments which require high reliability.
Wide dynamic range
Phototubes feature a wide dynamic range from several picoamperes to several microamperes, providing signal output with excellent linearity.
Superior temperature stability
Phototubes show virtually no fluctuation with changes in the ambient temperature.
Large photosensitive area
Compared to semiconductor sensors, phototubes offer larger photosensitive area.
APPLICATIONS
UV detectors
Laser measurement units
Analytical instruments
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