activity
20172020
most citedCritical Wavelength in the Transmission Spectrum of a Directional Coupler Employing GeO 2 -doped Single Mode Fibers

2 citations · 2 across the 5 of their papers we have counts for

collaborators

5 papers

physics.optics2020

Simultaneous existence of ultra-high and ultra-low spectral sensitivity for Directional Couplers

Garima Bawa, Indrajeet Kumar, Saurabh Mani Tripathi

We present the experimental evidence for the existence of two exciting wavelengths, termed critical and cross-over wavelength in the transmission spectrum of fiber-optic directiona…

physics.optics2020

Ultra-high Sensitive Surface Plasmon Resonance Based Sensor with Dual Resonance

Indrajeet Kumar, Ranjeet Dwivedi, Saurabh Mani Tripathi

We show that for the optimized angle of incidence, the SPR based optical sensors exhibit dual resonance in the near-infrared region around which the sensor becomes exceptionally hi…

physics.app-ph2018

Single-Multi-Single Fibre Optic Structure Based Water Depth Sensor

Garima Bawa, Krishnendu Dandapat, Gyanendra Kumar +2

We propose and demonstrate a technique easy to fabricate and measure water depth based on selective mode excitation using single-multi-single (SMS) mode structure. The high extinct…

physics.app-ph2018

Ultra high sensitive long period fiber grating based sensor for detection of adulterator in ethanol

Krishnendu Dandapat, Indrajeet Kumar, Saurabh Mani Tripathi

An ultra-sensitive sensor based on long-period fiber graings (LPFGs) has been fabricated for the detection of methanol and water content in ethanol. Our sensor is very compact in s…

physics.optics2017★ 2 cited

Critical Wavelength in the Transmission Spectrum of a Directional Coupler Employing GeO 2 -doped Single Mode Fibers

Garima Bawa, Saurabh Mani Tripathi

We examined the existence of critical wavelength in transmission-spectrum of a Directional Coupler, employing GeO 2 - doped SMF and showed that it differs significantly from that o…