Debashis Chanda, Ph.D.

— External Link (www.nanoscience.ucf.edu)
Found 3 technologies involving researcher Debashis Chanda, Ph.D.
Diagram showing the invention’s ultrafast detection scheme based on the plasmon-thermoelectric effect.

Tunable Graphene-Based Method for Detecting Mid-Infrared (IR) Radiation

33901 – New method offers low-cost, uncooled multi-spectral IR detection and imaging in the 8-12 µm bands UCF researchers have invented a low-cost method that can enable ultrafast, tunable mid-IR detection and imaging without the need for expensive and complex cryogenic cooling. The novel graphene-based method paves the way for multi-spectral imaging in the mid-IR domain, which is not available in... Read More

Schematic diagram of a graphene plasmonic-cavity structure, according to the invention

Monolayer Graphene Optical Detector Offers Exceptional Light Absorption

33758 – New low-cost graphene-based, light absorber increases the efficiency and performance of mid-IR photodetectors, photovoltaic devices and modulators UCF researchers have invented a graphene-based optical detector device with an unprecedented light absorption value of 60 percent in the mid infrared spectral domain. Historically, graphene’s low optical absorbance ( Various strategies use... Read More

Illustration of the hole/disk array coupled with the ground plane.

Tunable, Uncooled Infrared Detector with Narrow-Band Wavelength Selectivity

33377 – Low-cost, mid-infrared (IR) wavelength detector offers high responsivity without cryogenic cooling UCF researchers have invented a nanoscale IR detector that overcomes major limitations of today’s cooled and uncooled IR detectors. The Optical Frequency-Selective Absorber-Based Infrared Detector operates uncooled and can be tuned to a specific narrow bandwidth within the IR spectrum. The new... Read More