Results 61 to 70 of about 395 (125)

Electro-Optic-Waveguide Frequency-Translators in Lithium Niobate Fabricated by Titanium Indiffusion and Proton Exchange [PDF]

open access: yes, 1989
The work described in this thesis arose as a result of the need for an optical frequency translator in fibre and integrated optical sensors that employ heterodyne detection techniques.
Wong, Ka Kha
core  

Spectral control of nonclassical light pulses using an integrated thin-film lithium niobate modulator. [PDF]

open access: yesLight Sci Appl, 2022
Zhu D   +13 more
europepmc   +1 more source

Heterodyne laser Doppler vibrometers integrated on silicon-on-insulator based on serrodyne thermo-optic frequency shifters [PDF]

open access: yes, 2013
Baets, Roel   +6 more
core   +1 more source

Metasurfaces: physics and applications in wireless communications. [PDF]

open access: yesNatl Sci Rev, 2023
Ataloglou VG   +2 more
europepmc   +1 more source

Application of inertial instruments for DSN antenna pointing and tracking [PDF]

open access: yes
The feasibility of using inertial instruments to determine the pointing attitude of the NASA Deep Space Network antennas is examined. The objective is to obtain 1 mdeg pointing knowledge in both blind pointing and tracking modes to facilitate operation ...
Eldred, D. B.   +2 more
core   +1 more source

NASA Tech Briefs, February 2005 [PDF]

open access: yes
Topics discussed include: Instrumentation for Sensitive Gas Measurements; Apparatus for Testing Flat Specimens of Thermal Insulation; Quadrupole Ion Mass Spectrometer for Masses of 2 to 50 Da; Miniature Laser Doppler Velocimeter for Measuring Wall Shear;

core   +1 more source

Status and Perspectives of INRIM Sr Cavity-Enhanced Optical Clock [PDF]

open access: yes, 2023
Barbiero, Matteo   +5 more
core   +1 more source

Study of spacecraft transponder power amplifier Final report [PDF]

open access: yes
Communications satellite wideband transponder feasibility study with direct RF to RF CONVERSION and TWT in re-entrant ...
Cagnon, R. R.   +2 more
core   +1 more source

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