Mid-infrared absorption microscopy with λ/100 spatial resolution using tunable quantum cascade lasers

Feng Lu; Mikhail Belkin

doi:10.1364/CLEO_SI.2011.CThT3

CLEO:2011 - Laser Applications to Photonic Applications
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper CThT3
•https://doi.org/10.1364/CLEO_SI.2011.CThT3

Mid-infrared absorption microscopy with λ/100 spatial resolution using tunable quantum cascade lasers

Feng Lu and Mikhail Belkin

CLEO: Science and Innovations 2011

Baltimore, Maryland United States
1–6 May 2011
ISBN: 978-1-55752-910-7

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Gas Phase Sensing I (CThT)

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F. Lu and M. Belkin, "Mid-infrared absorption microscopy with λ/100 spatial resolution using tunable quantum cascade lasers," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper CThT3.

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Abstract

Highly-sensitive mid-infrared microscopy is reported. Subwavelength resolution is achieved by detecting absorption through local sample expansion. High sensitivity is obtained by moving laser pulses repetition rate in resonance with the atomic force microscope cantilever eigenfrequency.

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