The feasibility of building an extremely stable, spectrally narrow (300 mhz), and tunable cw solid state laser operatingat 1.083 micron wavelength region using a single crystal of chromium doped zinc tungstate as the active medium is examined. the wide fluorescence bandwidth 800-1200 nm of this… More

The feasibility of developing an extreme stable, spectrally narrow (150 mez), high repetition rate (30 khz) tunable dye laser oscillating in a single longitudinal mode over the entire range of the dye is examined. the extreme short cavity (5 cm), longitudinal pumped grazing incidence dye laser… More

In the proposed work, feasibility of developing a highly sensitive and high speed optical detector in the infrared region using a superconducting weak link fabricated by laser induced deposition of y-ba-cu-o thin films, is examied. the detection principle is based on the fact that incident infrared… More

In the proposed program, for the first time, feasibility of developing and characterizing a highly sensitive and high speed quantum detector in the 10-50 micro wavelength region using a superconducting sss type weak link of bi-ca-sr-cu-o, is examined. the detection principal is based ont he fact… More

In the proposed work, feasibility of developing and characterizing sis detector, in the 100 micron wavelength region, fabricated by laser induced deposition of thin film of a new high tc bi-ca-sr-cu-o superconductor (with transition temperature of 110 k), is examined. the discovery of bcsco material… More

In the proposed program, for the first time, feasibility of developing and characterizing a highly sensitive and high speed quantum detector in the 1-10 u wavelength region using a superconducting sis type weak link of bi-ca-sr-cu-o, is examined. the detection principal is based on the fact that the… More

In the proposed work, feasibility of developing and characterizing a highly sensitive far infrared detector, beyond 1 micron wavelength region, using a high tc superconducting bi-ca-sr-cu-o material, is examined. the detection principle is based on the fact that incident infrared radiation produces… More

In the proposed program, for the first time, epitaxial growth of thin film of high temperature bismuth-calcium- stuntium-copper-oxide superconductor on silicon substrate at low processing temperature by laser induced deposition, is examined. the first most important step in successful application of… More

In the proposed program, for the first time, feasibility of developing and characterizing highly sensitive bolometer in the 10-100 fm wavelength region using high temperature t1-ba-ca-cu-osuperconducting thin film, is examined. these materials because of the low band gap energy (\ w 25 mev) and… More

Residual stress in thin-film materials resulting from thermal and chemical strains is a continuing problem in the synthesis of superconducting thin films. The probelm exists not only in the superconducting layers, but also in the dielectric layer used as a buffer. Models that can analyze and predict… More

Excel Superconductor, in cooperation with Dr. H. S. Kwok at SUNY Buffalo, propose an innovative approach to fabricate sensitive, broad--band high--speed bolometric IR detectors on diamond. The low heat capacity of a diamond substrate makes it possible to build sensitive bolometers with a fast… More