Abstract

In 1995, the NASA Project ORION investigated the feasibility of orbital debris removal using ground-based sensors and lasers (Ref. 1). This study focused on high peak-power pulsed lasers capable of initiating plasma blow-off impulse. The conclusions drawn by this study indicated that a neodymium glass laser might represent the most cost effective and technologically viable solution. Large, repetitively pulsed neodymium glass lasers have been developed by Lawrence Livermore National Laboratory for inertial confinement fusion (ICF). However, the goal of ICF is to focus the high power laser beams on a small, stationary target at very close range. The orbital debris removal problem requires the mating of a high power laser to large diameter optics equipped with laser guide star adaptive optics. The target is a rapidly moving object located many hundreds of kilometers in distance. Since the conclusion of that study, the Air Force Airborne Laser (ABL) program, utilizing a continuous wave Chemical Oxygen- Iodine Laser (COIL), has progressed dramatically. This program integrates a high average power COIL with large diameter optics, which are adaptively controlled to correct for atmospheric turbulence. The target of the Airborne Laser is a rapidly ascending ballistic missile located hundreds of kilometers in range. The similarities between the Airborne Laser and the orbital debris removal mission motivate the examination of ABL COIL technology and its associated optical hardware for the orbital debris removal mission.© (2000) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

Full Text
Published version (Free)

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call