Keyphrases
Photoacoustic Spectroscopy
100%
Cantilever-enhanced
97%
Mid-infrared
96%
Optical Frequency Comb Generation
58%
Continuous Wave
56%
Optical Frequency Comb
53%
Photoacoustic
37%
Methane
33%
Photoacoustic Detection
33%
Optical Parametric Oscillator
33%
Cantilever
32%
Power Detector
31%
Photoacoustic Sensor
28%
Light Source
26%
Frequency Comb
26%
Optical Parametric Generation
25%
Parts per Trillion
25%
Frequency Offset
23%
Silicon Cantilever
22%
Photoacoustic Effect
21%
Large Dynamic Range
21%
Idler
19%
Dioxide
18%
Electromagnetic Radiation
18%
Femtosecond
18%
Nonlinear Waveguides
18%
Trace Gas Detection
18%
Frequency Tuning
18%
Waveguide Resonators
18%
Radiation Detection
18%
Dynamic Offset
18%
Responsivity
17%
Fourier Transform Infrared Spectroscopy (FT-IR)
17%
Photoacoustic Cell
17%
Order of Magnitude
14%
Femtosecond Optical Parametric Oscillator
14%
Lithium Niobate Waveguide
14%
Optical Power
14%
Photoacoustic Signal
14%
Limit of Detection
13%
Interferogram
13%
Pump Pulse
12%
Parts per Billion
12%
High Power
12%
Highly Sensitive
12%
Noise Equivalent
12%
Detection Method
11%
Noise Level
11%
Terahertz Range
11%
Carbon-based
11%
Physics
Photoacoustic Spectroscopy
74%
Continuous Radiation
54%
Light Source
32%
Trace Gas
29%
Continuous Wave Laser
25%
Dynamic Range
20%
Nonlinear Waveguide
18%
Electromagnetic Radiation
18%
Semiconductor Laser
18%
Optical Power
18%
Resonator
18%
Near Infrared
14%
Group Velocity
14%
Waveguide
14%
Noise Intensity
14%
Methane
12%
Time Measurement
10%
Molecular Spectroscopy
9%
Radiation Detector
9%
Infrared Laser
9%
Quantum Cascade Lasers
9%
Second Harmonic Generation
9%
Spectral Sensitivity
9%
Infrared Detector
9%
Radiation Detection
9%
High Harmonic Generation
9%
Ultrashort Pulse
9%
Degree of Freedom
9%
Linewidth
7%
Engineering
Power Detector
28%
Responsivity
26%
Optical Frequency
21%
Terahertz
18%
FTIR Spectroscopy
18%
Light Source
15%
Detection Limit
14%
Dynamic Range
12%
Fourier Transform
12%
Noise Level
11%
Gas Sensor
11%
Absorption Measurement
9%
Radiation Detector
9%
Group Velocity
9%
Measurement Range
9%
Investigated Material
9%
Gas Chromatography
9%
Black Carbon
9%
Acoustic Signal
9%
Carbon Nanotube
9%
Carbon-Based Material
9%
Photo-Acoustic Spectroscopy
9%
Integration Time
9%
Ring Cavity
9%
Sampling Time
9%
Optical Power
9%
Light-Emitting Diode
9%
Nonlinearity
9%
Oscillator
9%
Spectral Range
6%
Detection Process
6%
Measurement Time
6%
Methane
5%
Infrared Region
5%
