Quantum Cascade Laser Spectroscopy for Atmospheric Sensing and Biomedical Diagnostics

Maithani, Sanchi; Maity, Abhijit; Pradhan, Manik

doi:10.1007/978-981-15-0202-6_5

Cited by 2 publications

(1 citation statement)

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“…Among the lasers applied in laser absorption spectroscopy, light sources based on difference frequency generation (DFG) have proven to be reliable and compact. 52 The latest developments in quantum cascade (QC) and inter-band cascade (IC) lasers fabricated through band structure engineering provide attractive new light source options for midinfrared absorption spectroscopy with ultra-high resolution and sensitivity. 53 One of the most advanced mid-infrared QC laser sources is based on the I-type subband transition in the InGaAs/InAlAs heterostructure.…”

Section: Laser Spectroscopy 241 | Absorption Spectroscopymentioning

confidence: 99%

Non‐invasive exhaled breath diagnostic and monitoring technologies

Chen

et al. 2021

Micro & Optical Tech Letters

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With the rapid development of laser technology, information technology, and materials, the detection of trace gas has been taken to a new level. Advanced analytical methods were invented, for example, gas chromatography, mass spectrometry, chemical sensors, absorption spectrum, and so forth. With the detailed data gathered from new high-tech equipment, we can predict and diagnose diseases such as diabetic ketoacidosis, irritable bowel syndrome, lung cancer and so on. However, there is still a large amount of exhaled gas that has not been discovered, which means that breath analysis of exhaled gas is a very promising field in the future. Non-invasive breath diagnosis and monitoring technology have attracted huge attention from all over the world. Using exhaled gas to diagnose and monitor human disease has numerous advantages for being non-invasive, convenient and environment friendly.

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Section: Laser Spectroscopy 241 | Absorption Spectroscopymentioning

confidence: 99%