32 citations · 55 across the 7 of their papers we have counts for
9 papers
Real-time High-Resolution Mid-infrared Optical Coherence Tomography
Niels M. Israelsen, Christian R. Petersen, Ajanta Barh +7
The potential for improving the penetration depth of optical coherence tomography systems by using increasingly longer wavelength light sources has been known since the inception o…
Specialty Fibers for Terahertz Generation and Transmission: A Review
Ajanta Barh, B. P. Pal, G. P. Agrawal +2
Terahertz (THz) frequency range, lying between the optical and microwave range covers a significant portion of the electro-magnetic spectrum. Though its initial usage started in th…
Mid-IR fiber optic light source around 6 micron through parametric wavelength translation
A Barh, S Ghosh, R K Varshney +4
We report numerically designed highly nonlinear all glass chalcogenide microstructured optical fiber for efficient generation of light around 6 micron through degenerate four wave…
A Tapered Chalcogenide Microstructured Optical Fiber for Mid-IR Parabolic Pulse Generation: Design and Performance Study
Ajanta Barh, S. Ghosh, Ravi K. Varshney +1
This paper presents a theoretical design of chalcogenide glass based tapered microstructured optical fiber (MOF) to generate high power parabolic pulses (PPs) at the mid-IR wavelen…
Ultra-large Mode Area Microstructured Core Chalcogenide Fiber Design for Mid-IR Beam Delivery
Ajanta Barh, Somnath Ghosh, R. K. Varshney +1
An all solid large modearea (LMA) chalcogenide based microstructured core optical fiber (MCOF) is designed and proposed for high power handling in the mid IR spectral regime, cover…
Design of an all-fiber broadband mid-IR source through wavelength translation
A. Barh, S. Ghosh, R. K. Varshney +1
We report design of an efficient ~ 50 cm long all-fiber compact microstructured optical fiber-based 3-4.25 um mid-IR light source with power conversion efficiency > 28% by exploiti…
An efficient broad-band mid-wave IR fiber optic light source: Design and performance simulation
A. Barh, S. Ghosh, R. K. Varshney +1
Design of a mid-wave IR (MWIR) broad-band fiber-based light source exploiting four-wave mixing (FWM) in a meter long suitably designed highly nonlinear (NL) chalcogenide microstruc…
Design of an efficient mid-wave IR fiber optic light source
A. Barh, S. Ghosh, R. K. Varshney +1
Design of a mid-wave IR broadband (3.1 - 3.8 μm) fiber-based light source exploiting FWM in a meter long suitably designed chalcogenide microstructured fiber is reported. An achiev…
Design of an efficient Mid-IR light source using As2S3 based highly nonlinear microstructured optical fibers
A. Barh, S. Ghosh, G. P. Agrawal +3
We report on the design of a highly-nonlinear specialty fiber as a mid-infrared light source at 4.3 μm. A meter length of the designed solid-core chalcogenide based index-guided mi…