- A
photocathode is a
surface engineered to
convert light (photons) into
electrons using the
photoelectric effect.
Photocathodes are
important in accelerator...
-
other vacuum tubes),
containing a
photocathode,
several dynodes, and an anode.
Incident photons strike the
photocathode material,
which is
usually a thin...
-
illuminate targets.
Their image-intensifier
tubes used an
anode and an S-1
photocathode, made
primarily of silver, cesium, and oxygen, and
electrostatic inversion...
-
source enter an
objective lens
which focuses an
image into a
photocathode. The
photocathode releases electrons via the
photoelectric effect as the incoming...
-
photocathodes used in
solar blind photomultiplier tubes and for high
brightness photoinjectors driving modern particle accelerators. The
photocathode...
-
electric field generation (DC or RF), by
emission mechanism (thermionic,
photocathode, cold emission,
plasmas source), by
focusing (pure
electrostatic or with...
-
between the
photocathode and the MCP is reversed, the
emitted photoelectrons are not
accelerated towards the MCP but
return to the
photocathode. Thus, no...
- (PMTs): PMTs are
vacuum tube-based photodetectors. They
consist of a
photocathode that
emits electrons when illuminated,
followed by a
series of dynodes...
-
strikes the
photocathode and on a
wavelength the
human eye can see. This is much like a CRT television, but
instead of
color guns the
photocathode does the...
- time.
These are
extremely light-sensitive
vacuum tubes with a
coated photocathode inside the envelope. The
photo cathode contains combinations of materials...
