Photonic Instrumentation Engineering VII 2020
DOI: 10.1117/12.2547352
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Space-flight LiDARs, navigation, and science instrument implementations: lasers, optoelectronics, integrated photonics, fiber-optic subsystems, and components

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Cited by 3 publications
(4 citation statements)
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“…The monolithic PIC chip itself presents very low risk for failure under these conditions, but the solder interfaces between the chip and its submount, and between the submount, TEC and package body, may fail if not properly bonded. [7] Components in the optical train affixed by epoxy may shift, leading to poor optical coupling and consequent loss of optical power from the package fibers. In all of these cases, the expectation is that the output power from the package would decrease substantially if failure occurred -and for solder joint failures, electrical contact would worsen.…”
Section: Pic Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The monolithic PIC chip itself presents very low risk for failure under these conditions, but the solder interfaces between the chip and its submount, and between the submount, TEC and package body, may fail if not properly bonded. [7] Components in the optical train affixed by epoxy may shift, leading to poor optical coupling and consequent loss of optical power from the package fibers. In all of these cases, the expectation is that the output power from the package would decrease substantially if failure occurred -and for solder joint failures, electrical contact would worsen.…”
Section: Pic Resultsmentioning
confidence: 99%
“…[6] Work remains to be done in raising the technology readiness level (TRL) for III-V PICs and PWBs, and proving they can tolerate harsh launch and flight conditions, so as to avoid posing additional risk to missions. [7] Freedom Photonics has recently conducted environmental testing on InP PICs and PWB fiber arrays, subjecting them to shock, vibration, temperature cycling, and radiation, and has recently assembled its first prototype of a photonic wirebonded PIC package designed to be hermetic (Figure 1).…”
Section: Introductionmentioning
confidence: 99%
“…Other innovations in maturing optics for space include a roadmap for space-qualified delay lines in the DARWIN proposal [707], used to balance optical paths to nanometer accuracy. NASA has also developed many Earth orbiting Laser Detection and Ranging (LiDAR) instruments for analysing climate change such as ATLAS (Advanced Topographic Laser Altimeter System) and GEDI (Global Ecosystem Dynamics Investigation), both launched in 2018 [761]. In particular, ATLAS' laser has thousand times longer lifetime than previous LiDAR missions.…”
Section: Opticsmentioning
confidence: 99%
“…Reference [761] displays an extensive list of optoelectronics components that have been tested for space by "Parts, Packaging and Assembly Technologies (Code 562)" branch of NASA's Goddard Space Flight Center, including lasers, photodiodes and LEDs. The branch previously helped the James Webb Space Telescope Optics team with qualifying surface mount LEDs for use in cryogenic temperatures.…”
Section: Opticsmentioning
confidence: 99%

Quantum Physics in Space

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et al. 2021
Preprint