Results 251 to 260 of about 53,726 (323)

Precision Length Metrology Based on the Time and Frequency Standards Using Optical Combs

open access: bronze, 2007
Kaoru Minoshima   +6 more
openalex   +2 more sources

Welfare assessment of turkeys (Meleagris gallopavo gallopavo) on farm

open access: yesEFSA Journal, Volume 24, Issue 2, February 2026.
Abstract This Scientific Opinion assesses the welfare of turkeys of all ages (Meleagris gallopavo gallopavo) on farm in relation to the type and condition of the litter, type and availability of enrichment (including covered veranda and outdoor range), space allowance, concentrations of ammonia and carbon dioxide, effective environmental temperature ...
EFSA Panel Animal Health and Animal Welfare (AHAW)   +23 more
wiley   +1 more source

Solid‐State Vortex Laser at Eye‐Safe Band: A Perspective

open access: yesNanophotonics, Volume 15, Issue 2, 27 January 2026.
As one of the ideal vortex sources, solid‐state vortex laser at eye‐safe band has attracted considerable attention because of its potentials in multifunctional lidar. In this perspective, we summarize the schemes of eye‐safe vortex laser and discuss prospects for future development.
Haojun Zhang   +4 more
wiley   +1 more source

Observation of Kerr soliton microcomb locked with a phonon laser. [PDF]

open access: yesSci Adv
Li X   +7 more
europepmc   +1 more source

Doppler Lidar Based on Mode-Locked Semiconductor Lasers. [PDF]

open access: yesMicromachines (Basel)
Chen Y   +6 more
europepmc   +1 more source

Mode-locked optomechanical frequency combs in a graphene-silica microresonator. [PDF]

open access: yesSci Adv
Zhang H   +13 more
europepmc   +1 more source

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