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As high-energy lasers move from the safe confines of the laboratory into the
outdoor domain, new problems arise in dealing with laser safety. The Tri-Service
Laser Bioeffects program at Brooks AFB will be examining the safety aspects of
the new technologies and weapon systems to be employed in the future. Several
new high-energy laser systems are now scheduled for deployment in the immediate
future.
The Tactical High-Energy Laser (THEL) will be a ground mobile system which
will use a chemical laser to destroy low-flying threats. Currently under development
in a cooperative program with Israel, the THEL conducted test firing in FY1998 and
continues several test phases at White Sands Missile Range today.
The airborne laser (ABL), with its megawatt-class laser systems, will engage
tactical ballistic missiles during boost phase at altitudes over 40,000 ft. Its lasers
will be test fired in FY2003, with Engineering and Manufacturing Development
scheduled to begin soon after that. The high-power chemical oxygen iodine laser
will have nominal eye-safe distances in the order of thousands of miles and will
produce reflection patterns off targets that also have the potential for causing eye
damage at very large distances.
Combining these laser characteristics with the planned usage of these weapon
systems involving moving targets and possibly moving sources results in a complex
series of laser safety calculations to allow safe testing and usage of high-energy
lasers outdoors. The Air Force Research Laboratory, Optical Radiation Branch, is
developing new tools and techniques for calculating laser hazard areas which
include computer modeling of the interaction of high-energy lasers and moving
targets and the use of probabilistic methods to augment deterministic calculations.
One of the Missile Defense Agency’s highest priority programs involves putting
a weapon-class laser aboard a modified Boeing 747-400 series freighter aircraft and
using that laser to destroy ballistic missiles shortly after launch. The program is
called the airborne laser, and its development could forever change the way that
nations wage war.
gpt
--- Reasoning ---
1. Is the question multiple-choice question?
No
2. Is it implied multiple-choice question?
No
3. If two experts were independently asked the question, will the final answer be exactly the same?
No

--- Answer ---
open