Abstract
This paper examines an approach to the remote sensing of explosion-safe methane concentrations using optical fiber and demonstrates that considerable potential is offered by a system for the remote sensing of methane using a laser diode emitting at 1655 nm. We describe a novel procedure for the growth of epitaxial buried InGaAsP/InP heterostructures for 1655-nm lasers. Single-mode 1655-nm laser diodes have been produced and their parameters have been studied. It is shown that the diodes can be employed in real systems for remote monitoring of methane.
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