Usha Chakravarty
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Explore the profile of Usha Chakravarty including associated specialties, affiliations and a list of published articles.
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5
Citations
2
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Recent Articles
1.
Yu S, Jones I, Maunz A, Bachmeier I, Albrecht T, Ebneter A, et al.
Eye (Lond)
. 2024 Oct;
39(1):154-161.
PMID: 39406933
Background/objectives: To characterise morphological changes in neovascular age-related macular degeneration (nAMD) during anti-angiogenic therapy and explore relationships with best-corrected visual acuity (BCVA) and development of macular atrophy (MA). Subjects/methods: Post-hoc...
2.
Narrow-linewidth broadly tunable Yb-doped Q-switched fiber laser using multimode interference filter
Chakravarty U, Mukhopadhyay P, Kuruvilla A, Upadhyaya B, Bindra K
Appl Opt
. 2017 May;
56(13):3783-3788.
PMID: 28463269
A narrow-linewidth broadly tunable Yb-doped Q-switched fiber laser using an acousto-optic modulator and multimode interference filter (MMIF) in the linear bulk cavity resonator and an all-fiber ring cavity resonator has...
3.
Chakravarty U, Kuruvilla A, Singh R, Upadhyaya B, Bindra K, Oak S
Appl Opt
. 2016 Feb;
55(2):288-96.
PMID: 26835764
We report on the generation of 41.6 W of average output power from a passively Q-switched ytterbium-doped fiber laser using Cr4+:YAG crystal as a saturable absorber (SA). This is the...
4.
Upadhyaya B, Kuruvilla A, Chakravarty U, Shenoy M, Thyagarajan K, Oak S
Appl Opt
. 2010 Apr;
49(12):2316-25.
PMID: 20411011
We report an experimental study of the effect of fiber length and laser linewidth on self-pulsing dynamics and output stabilization of a single-mode Yb-doped double-clad CW fiber laser. It is...
5.
Upadhyaya B, Chakravarty U, Kuruvilla A, Thyagarajan K, Shenoy M, Oak S
Opt Express
. 2009 Jun;
15(18):11576-88.
PMID: 19547516
The output pulse characteristics of Q-switched Yb-doped fiber lasers have been investigated experimentally. It has been observed that for any typical modulation frequency, the pump power and the modulator OFF-time...