Rami Arieli: "The
Laser Adventure" Chapter 6.1.9 Chemical Laser, page 4
Advantages of Chemical Lasers:
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The source of energy is conveniently stored (gas balloons).
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Very high output power.
The atmosphere is more transparent to the emitted spectrum out of DF lasers
than for HF lasers, so the DF laser is more developed, although its efficiency
is lower, and the price of the Deuterium isotope is higher.
Disadvantages of Chemical Lasers:
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Fluorine is a very reactive gas.
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Hydrogen gas can explode easily.