Sub-Doppler spectroscopy of cesium vapor layers with nanometric and micrometric thickness

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• JOSA B, Vol. 26 Issue 11, pp.1999-2006 (2009)
• Cartaleva, Stefka; Saltiel, Solomon; Sargsyan, Armen; Sarkisyan, David; Slavov, Dimitar; Todorov, Petko; Vaseva, Kapka
• The saturation behavior of absorption and fluorescence spectra on the D₂ line of Cs is presented, demonstrating a significant difference between open and closed...

Thermal-lens study of photochemical reaction kinetics

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• Optics Letters, Vol. 34 Issue 22, pp.3460-3462 (2009)
• Astrath, Nelson G C; Astrath, Francine B G; Shen, Jun; Zhou, Jianqin; Michaelian, Kirk H; Fairbridge, Craig; Malacarne, Luis C; Pedreira, Paulo R B; Medina, A N; Baesso, Mauro L
• We consider the time dependence of the absorption coefficient due to the photoinduced chemical reaction (PCR) and species diffusion to calculate the temperature rise in the...

A terahertz time-domain spectrometer for simultaneous transmission and reflection measurements at normal incidence

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• Optics Express, Vol. 17 Issue 23, pp.20684-20693 (2009)
• Brunner, Fabian D J; Schneider, Arno; Günter, Peter
• We present a versatile terahertz time-domain spectrometer which allows reflection measurements at normal incidence and double pass transmission measurements in a single...

Direct studies of liquid flows near solid surfaces by total internal reflection fluorescence cross-correlation spectroscopy

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• Optics Express, Vol. 17 Issue 23, pp.21149-21158 (2009)
• Yordanov, Stoyan; Best, Andreas; Butt, Hans-Jürgen; Koynov, Kaloian
• We present a new method to study flow of liquids near solid surface: Total internal reflection fluorescence cross-correlation spectroscopy (TIR-FCCS). Fluorescent tracers flowing...

Differential heterodyne detection with diffractive optics for multidimensional transient-grating spectroscopy

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• JOSA B, Vol. 26 Issue 12, pp.2357-2362 (2009)
• Khurmi, Champak; Berg, Mark A
• Heterodyne detection with a local oscillator generated by a diffractive optic provides good phase stability, but suffers from interfering single-beam-bleach signals. This...

Ultra-sensitive fluorescence spectroscopy of isolated surface-adsorbed molecules using an optical nanofiber

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• Optics Express, Vol. 17 Issue 24, pp.21704-21711 (2009)
• Stiebeiner, A; Rehband, O; Garcia-Fernandez, R; Rauschenbeutel, A
• The strong radial confinement and the pronounced evanescent field of the guided light in optical nanofibers yield favorable conditions for ultra-sensitive surface spectroscopy of...

Mid-infrared near-field spectroscopy

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• Optics Express, Vol. 17 Issue 24, pp.21794-21801 (2009)
• Amarie, Sergiu; Ganz, Thomas; Keilmann, Fritz
• We demonstrate continuous infrared spectra from 20 nm sample spots, by combining dispersive Fourier-transform infrared spectroscopy (FTIR) with scattering near-field microscopy...

Optical investigation of band-edge structure and built-in electric field of AlGaN/GaN heterostructures by means of thermoreflectance, photoluminescence, and contactless electroreflectance spectroscopy

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• Optics Letters, Vol. 34 Issue 23, pp.3604-3606 (2009)
• Ho, Ching-Hwa; Lee, Jheng-Wei
• The band-edge property and built-in electric fields of two different Al_xGa_1−xN/GaN(AlGaN/GaN) heterostructures (HSs) with and without an additional AlGaN...

Simultaneous composition and thickness measurement of paper using terahertz time-domain spectroscopy

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• Applied Optics, Vol. 48 Issue 33, pp.6541-6546 (2009)
• Mousavi, Payam; Haran, Frank; Jez, David; Santosa, Fadil; Dodge, John Steven
• We present a noncontact method for quantitative composition and thickness monitoring of flat sheet products using terahertz time-domain spectroscopy. We apply the method to obtain...