Remote and point sensing with near-IR tunable diode lasers

David E. Cooper; Russell E. Warren; Haris Riris; Clinton B. Carlisle; Ramon U. Martinelli

doi:10.1117/12.205016

3 March 1995 Remote and point sensing with near-IR tunable diode lasers

David E. Cooper, Russell E. Warren, Haris Riris, Clinton B. Carlisle, Ramon U. Martinelli

Author Affiliations +

Proceedings Volume 2374, Novel Applications of Lasers and Pulsed Power; (1995) https://doi.org/10.1117/12.205016
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

Near-infrared semiconductor diode lasers are useful for spectroscopic monitoring of a number of chemical species at parts-per-million levels and below. Although these devices are typically used in point sensing geometries, they can also be used in several remote sensing configurations. In this paper we discuss some of the properties of these lasers that are relevant for point detection, and we discuss a simple scheme to measure temperature and pressure. In the context of remote sensing, we discuss several modulation methods that allow for range- resolved detection of chemicals and aerosols using continuous wave diode lasers.

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David E. Cooper, Russell E. Warren, Haris Riris, Clinton B. Carlisle, and Ramon U. Martinelli "Remote and point sensing with near-IR tunable diode lasers", Proc. SPIE 2374, Novel Applications of Lasers and Pulsed Power, (3 March 1995); https://doi.org/10.1117/12.205016

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