Patent ID: 9671333
Date: 2017-06-06
CPC Classifications: G01N

Claim:
1. A laser gas analyzer, comprising: a MEMS-vertical cavity surface emitting laser; a light-split module configured to split an output light of the MEMS-vertical cavity surface emitting laser into a measurement light and a reference light; a measurement gas cell, which receives gasses to be measured, is configured such that the measurement light is made incident to the measurement gas cell; a first receiver is configured such that the measurement light that passed through the measurement gas cell is made incident to the first receiver; a second receiver is configured such that the reference light is made incident to the second receiver; and a data processor configured to obtain concentrations of the gases to be measured based on an absorption signal of the gases to be measured obtained from the first receiver and a reference signal of the MEMS-vertical cavity surface emitting laser obtained from the second receiver.