Optics: measuring and testing – For light transmission or absorption
Reexamination Certificate
2007-04-16
2010-02-02
Toatley, Jr., Gregory J (Department: 2877)
Optics: measuring and testing
For light transmission or absorption
C356S435000
Reexamination Certificate
active
07656532
ABSTRACT:
A cavity ring-down spectrometer having a light-conveying structure, a mirror and an isolator. The structure may form a resonator cavity, and the resonator cavity may include a sample sub-cavity and a mirror sub-cavity. A preconcentrator medium may be within a sample sub-cavity, and the medium may adsorb a sample substance entering the sample sub-cavity. A heater may heat the medium to desorb the sample through which a light can propagate. The mirror may be within the mirror sub-cavity, and the mirror may direct light through the mirror sub-cavity and the sample sub-cavity. The isolator may reduce, inhibit or prevent the sample substance in the sample sub-cavity from entering the mirror sub-cavity and affecting the mirror in the mirror sub-cavity.
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Fredrick Kris T.
Honeywell International , Inc.
Toatley Jr. Gregory J
Underwood Jarreas C
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