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US 2019/0056359 A1Published application
Method and Apparatus for Spectroscopy
AssigneeNokia Technologies Oy
InventorDavid Bitauld
Life of this patent
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Abstract
A method including: generating a first comb optical signal; generating a second comb optical signal; exciting a sample using in combination the first comb optical signal and the second comb optical signal; and detecting at the sample an acoustic response of the sample.
Claims15
A method comprising:
- generating a first comb optical signal;
- generating a second comb optical signal;
- exciting a sample using in combination the first comb optical signal and the second comb optical signal;
- and
- detecting at the sample an acoustic response of the sample.
2 more elements
An apparatus comprising:
- a generator configured to generate a first comb optical signal;
- a generator configured to generate a second comb optical signal;
- optics configured to cause excitation of a sample by combining the first comb optical signal and the second comb optical signal;
- and
- one or more pressure transducers configured to detect at the sample pressure variations caused by an acoustic response of the sample.
2 more elements
Dependencies are inferred from the claim text.