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Optical system design and integration of the Mars Observer Laser Altimeter
Applied Optics
|September 24, 2010
Summary
The Mars Observer Laser Altimeter will map Martian surface topography using a laser and telescope. This instrument provides key data for understanding Mars's geological features from orbit.
Area of Science:
- Planetary Science
- Optical Engineering
- Remote Sensing
Background:
- The Mars Observer mission aimed to study Mars from orbit.
- Topographical data is crucial for understanding Martian geology and history.
- Active remote-sensing instruments are vital for planetary exploration.
Purpose of the Study:
- To detail the design and performance of the Mars Observer Laser Altimeter (MOLA).
- To present the optical design rationale for the MOLA instrument.
- To report on the measured optical performance during assembly and integration.
Main Methods:
- Development of a Mars Observer Laser Altimeter (MOLA) instrument.
- Utilizing a 40 mJ pulse diode-pumped laser.
- Employing a 0.5-m-diameter beryllium telescope and a silicon avalanche photodiode.
Main Results:
- The Mars Observer Laser Altimeter (MOLA) was successfully developed.
- Key optical subassemblies, including the laser, telescope, and photodiode, were integrated.
- Optical performance was measured during assembly and integration phases.
Conclusions:
- The Mars Observer Laser Altimeter (MOLA) instrument was designed for Martian topography measurement.
- The instrument's optical design and performance were validated.
- MOLA was prepared for its mission to map the Martian surface.
