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Lab: Naval Research Laboratory
Category: Lasers
4556 Overlook Avenue S.W.
Washington, DC, 20375
Phone: 202-767-3083 ext.
Fax: 202-404-7920 |
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Contact Lab About This Facility |
FUNCTION: The Electra Laser Facility will
be used to develop the science and
technology needed to develop a reliable
efficient, high energy, repetitively pulsed
krypton fluoride (KrF) laser. It is expected
that this facility, when completed, will be
able to repetitively generate 700 Joules
of laser light in a 100-ns pulse.
DESCRIPTION: The Electra main amplifier will be
pumped with two 30 cm × 100 cm electron beams,
each with V = 450 kV, I = 100 kA, and ¿ = 100 ns.
Electra will use double-pass laser amplification with
double-sided electron beam pumping of the laser gas.
This is the same arrangement as in Nike. The laser
components that need to be developed are a durable,
efficient, and cost-effective pulsed-power system; a
durable electron beam emitter; a long-life, high-transmission-
pressure foil structure to isolate the laser gas from
the electron beam diode; a recirculator to cool and
quiet the laser gas between shots; and long-life optical
windows. Our plan is to build the laser by sequentially
integrating each component as it is developed. As the
advanced pulsed power system will take several years
to develop, we have built a “First-Generation Pulsed
Power System” to start developing the critical laser
components right away. This system can run at 5 Hz
continuously for 90,000 shots, which is more than
ample to start laser component development.DESCRIPTION: The Electra main amplifier will be
pumped with two 30 cm × 100 cm electron beams,
each with V = 450 kV, I = 100 kA, and ¿ = 100 ns.
Electra will use double-pass laser amplification with
double-sided electron beam pumping of the laser gas.
This is the same arrangement as in Nike. The laser
components that need to be developed are a durable,
efficient, and cost-effective pulsed-power system; a
durable electron beam emitter; a long-life, high-transmission-
pressure foil structure to isolate the laser gas from
the electron beam diode; a recirculator to cool and
quiet the laser gas between shots; and long-life optical
windows. Our plan is to build the laser by sequentially
integrating each component as it is developed. As the
advanced pulsed power system will take several years
to develop, we have built a “First-Generation Pulsed
Power System” to start developing the critical laser
components right away. This system can run at 5 Hz
continuously for 90,000 shots, which is more than
ample to start laser component development. |
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