Dr. John S. Hartman Profile

Dr. John S. Hartman

Staff Scientist at Pacific Northwest National Lab

SPIE Involvement:

Author

Publications (4)

Proceedings Article | 23 September 2002 Paper

Absorption spectroscopy in hollow-glass waveguides using infrared diode lasers

Thomas Blake, James Kelly, Timothy Stewart, John Hartman, Steven Sharpe, Robert Sams

Proceedings Volume 4817, (2002) https://doi.org/10.1117/12.453761

KEYWORDS: Waveguides, Semiconductor lasers, Absorption, Hollow waveguides, Sensors, Nitrogen, Absorption spectroscopy, Infrared spectroscopy, Absorbance, Signal to noise ratio

Read Abstract +

Proceedings Article | 25 October 1999 Paper

Rapid-scan Doppler-limited absorption spectroscopy using mid-infrared quantum cascade lasers

Steven Sharpe, James Kelly, Richard Williams, John Hartman, Claire Gmachl, Federico Capasso, Deborah Sivco, James Baillargeon, Alfred Cho

Proceedings Volume 3758, (1999) https://doi.org/10.1117/12.366464

KEYWORDS: Absorption, Quantum cascade lasers, Semiconductor lasers, Doppler effect, Absorbance, Infrared radiation, Mid-IR, Diodes, Sensors, Data acquisition

Read Abstract +

Proceedings Article | 25 October 1999 Paper

Spectral and modulation performance of quantum cascade lasers with application to remote sensing

Richard Williams, James Kelly, Steven Sharpe, John Hartman, Claire Gmachl, Federico Capasso, Deborah Sivco, James Baillargeon, Alfred Cho

Proceedings Volume 3758, (1999) https://doi.org/10.1117/12.366458

KEYWORDS: Modulation, Quantum cascade lasers, Frequency modulation, Absorption, Fermium, Semiconductor lasers, Signal detection, Sensors, Heterodyning, Long wavelength infrared

Read Abstract +

Proceedings Article | 4 May 1998 Paper

Tunable distributed-feedback quantum-cascade lasers for gas-sensing applications

Claire Gmachl, Federico Capasso, Jerome Faist, Deborah Sivco, James Baillargeon, Albert Hutchinson, Alfred Cho, Khosrow Namjou, Simin Cai, Edward Whittaker, James Kelly, Steven Sharpe, John Hartman

Proceedings Volume 3285, (1998) https://doi.org/10.1117/12.307601

KEYWORDS: Modulation, Quantum cascade lasers, Pulsed laser operation, Absorption, Waveguides, Temperature metrology, Continuous wave operation, Tunable lasers, Indium gallium arsenide, Refractive index

Read Abstract +

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years