Portable spectroscopy
RA Crocombe - Applied spectroscopy, 2018 - journals.sagepub.com
Until very recently, handheld spectrometers were the domain of major analytical and security
instrument companies, with turnkey analyzers using spectroscopic techniques from X-ray …
instrument companies, with turnkey analyzers using spectroscopic techniques from X-ray …
Infrared laser-absorption sensing for combustion gases
Infrared laser-absorption spectroscopy (IR-LAS) sensors play an important role in
diagnosing and characterizing a wide range of combustion systems. Of all the laser …
diagnosing and characterizing a wide range of combustion systems. Of all the laser …
Room-temperature nine-µm-wavelength photodetectors and GHz-frequency heterodyne receivers
Room-temperature operation is essential for any optoelectronics technology that aims to
provide low-cost, compact systems for widespread applications. A recent technological …
provide low-cost, compact systems for widespread applications. A recent technological …
Mid-infrared quantum cascade lasers
Mid-infrared quantum cascade lasers are semiconductor injection lasers whose active core
implements a multiple-quantum-well structure. Relying on a designed staircase of …
implements a multiple-quantum-well structure. Relying on a designed staircase of …
Quantum cascade lasers in chemical physics
In the short space of 15years since their first demonstration, quantum cascade lasers have
become the most useful sources of tunable mid-infrared laser radiation. This Letter …
become the most useful sources of tunable mid-infrared laser radiation. This Letter …
Bridging the terahertz gap: Photonics-assisted free-space communications from the submillimeter-wave to the mid-infrared
Since about one and half centuries ago, at the dawn of modern communications, the radio
and the optics have been two separate electromagnetic spectrum regions to carry data …
and the optics have been two separate electromagnetic spectrum regions to carry data …
Diode laser absorption sensors for gas-dynamic and combustion flows
MG Allen - Measurement Science and technology, 1998 - iopscience.iop.org
Recent advances in room-temperature, near-IR and visible diode laser sources for tele-
communication, high-speed computer networks, and optical data storage applications are …
communication, high-speed computer networks, and optical data storage applications are …
Recent progress in quantum cascade lasers and applications
Quantum cascade (QC') lasers are reviewed. These are semiconductor injection lasers
based on intersubband transitions in a multiple-quantum-well (QW) heterostructure …
based on intersubband transitions in a multiple-quantum-well (QW) heterostructure …
quantum cascade lasers
C Sirtori, P Kruck, S Barbieri, P Collot, J Nagle… - Applied Physics …, 1998 - pubs.aip.org
A unipolar injection quantum cascade (QC) laser grown in an AlGaAs/GaAs material system
by molecular beam epitaxy, is reported. The active material is a 30 period sequence of …
by molecular beam epitaxy, is reported. The active material is a 30 period sequence of …
Improvement of the detection sensitivity for tunable diode laser absorption spectroscopy: A review
S Lin, J Chang, J Sun, P Xu - Frontiers in Physics, 2022 - frontiersin.org
Tunable Diode Laser Absorption Spectroscopy (TDLAS), a trace gas sensing technology
based on infrared absorption spectroscopy, has been developed rapidly in the past few …
based on infrared absorption spectroscopy, has been developed rapidly in the past few …