IN-FURNACE RETRO-REFLECTORS WITH STEERABLE TUNABLE DIODE LASER ABSORPTION SPECTROMETER
A method of monitoring combustion properties in an interior of a furnace is described. A beam of light is projected through a pitch optic including a pitch collimating lens residing outside the boiler interior. The pitch collimating lens projects the beam through a penetration into the boiler interi...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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