Effect of Ionizing Radiation on the Performance of Volume Holographic Elements

Gusarov, A.; Berghmans, Francis; Uffelen, Marco Van; Glebova, Larissa; Rotar, Vasile; Glebov, Leonid

doi:10.1109/tns.2008.2000884

Cited by 2 publications

(1 citation statement)

References 17 publications

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“…This feature is less suitable for HP-WDM on spacecrafts. In addition, some papers report the absorption spectrum changes in the wavelength range of 200-1200 nm by exposure to γ-ray or proton irradiation [12] . Therefore, it is necessary to confirm the impact of space radiation on the VBGs around 1550 nm.…”

Section: Wavelength Multiplexers For Hp-wdmmentioning

confidence: 99%

High power wavelength division multiplexing (HP-WDM) for high-speed space optical communication

Takamatsu,

Kimura,

Hashimoto

et al. 2024

Free-Space Laser Communications XXXVI

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Free-space optical communications are becoming essential, especially in space communications. Examples include data transmission for Earth observation satellites, cislunar space networks and deep space exploration missions. One approach to enhancing the capacity of free-space optical communication is increasing transmission power. However, achieving high output power while meeting the components requirements (e.g., space-environmental resistance, long-lifetime, and performance reliability) with a single optical amplifier is challenging. To address this challenge, we propose high-power wavelength-division multiplexing (HP-WDM) that consists of a free-space multiplexer and conventional high-power amplifiers.

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Section: Wavelength Multiplexers For Hp-wdmmentioning

confidence: 99%

High power wavelength division multiplexing (HP-WDM) for high-speed space optical communication

Takamatsu,

Kimura,

Hashimoto

et al. 2024

Free-Space Laser Communications XXXVI

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show abstract

Monolithic solid-state lasers for spaceflight

Krainak

Stephen

et al. 2015

SPIE Proceedings

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A new solution for building high power, solid state lasers for space flight is to fabricate the whole laser resonator in a single (monolithic) structure or alternatively to build a contiguous diffusion bonded or welded structure. Monolithic lasers provide numerous advantages for space flight solid-state lasers by minimizing misalignment concerns. The closed cavity is immune to contamination. The number of components is minimized thus increasing reliability. Bragg mirrors serve as the high reflector and output coupler thus minimizing optical coatings and coating damage. The Bragg mirrors also provide spectral and spatial mode selection for high fidelity. The monolithic structure allows short cavities resulting in short pulses. Passive saturable absorber Q-switches provide a soft aperture for spatial mode filtering and improved pointing stability. We will review our recent commercial and in-house developments toward fully monolithic solid-state lasers.

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Effect of Ionizing Radiation on the Performance of Volume Holographic Elements

Cited by 2 publications

References 17 publications

High power wavelength division multiplexing (HP-WDM) for high-speed space optical communication

High power wavelength division multiplexing (HP-WDM) for high-speed space optical communication

Monolithic solid-state lasers for spaceflight

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