RSI: Notes, Letters, and Errata

Note: Laser-induced acoustic desorption/synchrotron vacuum ultraviolet photoionization mass spectrometry for analysis of fragile compounds and heavy oils

Liangyuan Jia, Junjie Weng, Zhongyue Zhou, Fei Qi, Wenyue Guo et al.
In this work, we coupled synchrotron vacuum ultraviolet photoionization (SVUV PI) method with the laser-induced acoustic desorption (LIAD) technique for mass spectrometric analysis. The LIAD technique is a soft desorption method, which could avoid the degradation of analytes during desorption proces ... [Rev. Sci. Instrum. 83, 026105 (2012)] published Mon Feb 13, 2012.

Note: A signal-to-noise ratio enhancement based on wafer light irradiation system for optical modulation spectroscopy measurement

H. Chouaib and P. V. Kelly
We have recently found that the magnitude of the photoreflectance (PR) signal DeltaR/R on silicon wafers depends on the duration of continuous probe or pump beams irradiation. This temporal behavior of the DeltaR/R signal is attributed to the defects related electronic states at the Si/ SiO interfac ... [Rev. Sci. Instrum. 83, 026104 (2012)] published Wed Feb 8, 2012.

Note: Self-sensing based on charge control improves the performance of active damping using piezoelements

Yong Bin Liu, Lian Sheng Zhang, and Zhi Hua Feng
A piezoelectric element can be used separately as a sensor or an actuator. A self-sensing strategy based on a charge driver can utilize a piezoelectric element as a sensor while actuating. The strategy was proven via experiments on a cantilever vibrator using a piezoelectric plate with both sensing ... [Rev. Sci. Instrum. 83, 026103 (2012)] published Fri Feb 3, 2012.

Note: Rotational compliance and instantaneous center of rotation in segmented and V-shaped notch hinges

Yakov Tseytlin
This note shows a technique for the calculation of rotational compliance (stiffness) and develops a generalized mathematical model for the virtual center of rotation position in concave, segmented, and V-shaped notch hinges using Chebyshev's polynomials. The calculational results are in a good agree ... [Rev. Sci. Instrum. 83, 026102 (2012)] published Thu Feb 2, 2012.

Note: Absolute calibration of two DRZ phosphor screens using ultrashort electron bunch

Y. C. Wu, B. Zhu, K. G. Dong, Y. H. Yan, and Y. Q. Gu
This article gives the absolute calibration of two types phosphor screens (DRZ) that were used to detect and characterize electron bunches driven by laser-plasma accelerator. The test was performed with picoseconds electron bunch at a radio frequency linear electron accelerator in Tsinghua Universit ... [Rev. Sci. Instrum. 83, 026101 (2012)] published Wed Feb 1, 2012.

Note: Bending compliances of generalized symmetric notch flexure hinges

Nicolae Lobontiu
The bending compliances of generalized notch flexure hinges with transverse or transverse-and-axial symmetry are studied in two particular reference frames. For an end-point reference frame, the cross compliance and the rotary compliance are proportional. When the reference frame is placed at the fl ... [Rev. Sci. Instrum. 83, 016107 (2012)] published Fri Jan 20, 2012.

Note: Development of target changeable palm-top pyroelectric x-ray tube

Susumu Imashuku and Jun Kawai
A target changeable palm-top size x-ray tube was realized using pyroelectric crystal and detachable vacuum flanges. The target metals can be exchanged easily by attaching them on the brass stage with carbon tape. When silver and titanium palates (area: 10 mm) were used as targets, silver Lalpha and ... [Rev. Sci. Instrum. 83, 016106 (2012)] published Wed Jan 18, 2012.

Note: Phase sensitive detection of photoluminescence with Fourier transform spectroscopy

B. Ullrich and G. J. Brown
Although known for more than twenty years, there is limited information in the literature regarding the experimental parameters of lock-in based phase sensitive emission detection in conjunction with Fourier spectrometers. For this technique also known as double modulation spectroscopy we present ... [Rev. Sci. Instrum. 83, 016105 (2012)] published Wed Jan 18, 2012.

Note: Voltage and intensity dependence of the saturation curves of free-air ionization chambers irradiated with chopped synchrotron radiation beams

Nobuteru Nariyama
Current saturation characteristics of free-air ionization chambers with electrode gaps of 4.2 and 8.4 mm were investigated using pulsed photon beam obtained by periodically interrupting synchrotron radiation beams with a chopper. Pulsed photon beams of 10 and 15 keV with pulse duration of 2.5 [mu]s ... [Rev. Sci. Instrum. 83, 016104 (2012)] published Wed Jan 18, 2012.

Note: Thermal conductivity measurement of individual poly(ether ketone)/carbon nanotube fibers using a steady-state dc thermal bridge method

Jaeyun Moon, Keith Weaver, Bo Feng, Han Gi Chae, Satish Kumar et al.
Customized engineered fibers are currently being used extensively in the aerospace and automobile industries due to the ability to design in specific engineering characteristics. Understanding the thermal conductivity of these new fibers is critical for thermal management and design optimization. In ... [Rev. Sci. Instrum. 83, 016103 (2012)] published Tue Jan 17, 2012.

Note: Piezoelectric polymers as transducers for the ultrasonic-reflection method and the application in mechanical property-screening of coatings

Michael Wegener, Harald Oehler, Dirk Lellinger, and Ingo Alig
In the last years, non-destructive ultrasonic testing methods are more and more frequently employed in order to investigate the drying and curing processes of different coatings. Among them an ultrasonic reflection method was developed allowing the simultaneous measurement with longitudinal and tran ... [Rev. Sci. Instrum. 83, 016102 (2012)] published Tue Jan 10, 2012.

Note: An adhesion measurement setup for bioinspired fibrillar surfaces using flat probes

E. Kroner, J. Blau, and E. Arzt
Current adhesion measurement setups designed for experiments on bioinspired fibrillar surfaces, either commercial or constructed in-house, do not allow adhesion measurements with in situ visualization, high resolution, high force range, and controlled alignment at the same time. In this paper a new ... [Rev. Sci. Instrum. 83, 016101 (2012)] published Mon Jan 9, 2012.

Note: Signal conditioning of a hot-film anemometer for a periodic flow rate monitoring system

Federico Mantovani and Cristian Tagliaferri
A flow monitoring system based on a constant temperature hot-film anemometer is presented. The device has been designed to monitor a dispensing process of extremely low quantities of adhesive material. The monitoring device presented in this paper is useful in industrial applications where exact flo ... [Rev. Sci. Instrum. 82, 126109 (2011)] published Tue Dec 20, 2011.

Publisher's Note: High signal-to-noise Fourier transform spectroscopy with light emitting diode sources [Rev. Sci. Instrum. 82, 093103 (2011)]

J. S. Bhosale
Abstract not available. [Rev. Sci. Instrum. 82, 129903 (2011)] published Mon Dec 19, 2011.

Note: Investigation of atom transfer using a red-detuned push beam in a double magneto-optical trap setup

S. P. Ram, S. R. Mishra, S. K. Tiwari, and S. C. Mehendale
We present our results on transfer of cold Rb atoms from a vapor cell magneto-optical trap to ultrahigh vacuum magneto-optical trap (UHV-MOT) using a red-detuned continuous wave push beam in a double-magneto-optical trap setup. We find that use of retro-reflected red-detuned push laser beam results ... [Rev. Sci. Instrum. 82, 126108 (2011)] published Thu Dec 15, 2011.

Publisher's Note: A simple approach to neutral atom microscopy [Rev. Sci. Instrum. 82, 103705 (2011)]

Philip Witham and Erik Sanchez
Abstract not available. [Rev. Sci. Instrum. 82, 129902 (2011)] published Mon Dec 12, 2011.

Note: Automated maskless micro-multidomain photoalignment

Christopher Culbreath, Nikolaus Glazar, and Hiroshi Yokoyama
We present a fully automated maskless exposure system for the fabrication of microscopic orientational surface alignment patterns. The maskless system allows us to fabricate arbitrary surface patterns over a 2 mm x 2 mm area with a resolution of 2.2 [mu]m. A confocal autofocus system insures accur ... [Rev. Sci. Instrum. 82, 126107 (2011)] published Fri Dec 9, 2011.

Note: Integration of trapped ion mobility spectrometry with mass spectrometry

F. A. Fernandez-Lima, D. A. Kaplan, and M. A. Park
The integration of a trapped ion mobility spectrometer (TIMS) with a mass spectrometer (MS) for complementary fast, gas-phase mobility separation prior to mass analysis (TIMS-MS) is described. The ion transmission and mobility separation are discussed as a function of the ion source condition, bath ... [Rev. Sci. Instrum. 82, 126106 (2011)] published Thu Dec 8, 2011.

Erratum: An integrated capacitance bridge for high-resolution, wide temperature range quantum capacitance measurements [Rev. Sci. Instrum. 82, 053904 (2011)]

Arash Hazeghi, Joseph A. Sulpizio, Georgi Diankov, David Goldhaber-Gordon, and H. S. Philip Wong
Abstract not available. [Rev. Sci. Instrum. 82, 129901 (2011)] published Tue Dec 6, 2011.

Note: Temperature derivative of the refractive index of binary mixtures measured by using a new thermodiffusion cell

F. Croccolo, F. Plantier, G. Galliero, G. Pijaudier-Cabot, M. Z. Saghir et al.
A thermodiffusion cell is developed for performing Soret experiments on binary mixtures at high pressure and in the presence of a porous medium. The cell is validated by performing experiments at atmospheric pressure. The experiments are performed by applying different temperature gradients to binar ... [Rev. Sci. Instrum. 82, 126105 (2011)] published Tue Dec 6, 2011.

Note: Optimization of piezoresistive response of pure carbon nanotubes networks as in-plane strain sensors

Yu Miao, L. Chen, R. Sammynaiken, Y. Lin, and W. J. Zhang
The use of carbon nanotubes (CNT) for the application in in-plane strain detection is promising. In recent years, in-plane strain sensors constructed from CNT networks have been developed; however, few studied optimization of these sensors. In this paper, a study of the optimization of pure CNT netw ... [Rev. Sci. Instrum. 82, 126104 (2011)] published Tue Dec 6, 2011.