17 citations · 63 across the 10 of their papers we have counts for
10 papers
Optics of sunscreen lotions: Preliminary results on scattering and absorption coefficients
Gunnar A. Niklasson, Sara L. Niklasson, Celina Notfors +3
Sunscreen lotions are used to protect the skin from damage due to solar ultraviolet (UV) radiation. The active UV blocking components can be organic molecules or inorganic particle…
Charge coloration dynamics of electrochromic amorphous tungsten oxide studied by simultaneous electrochemical and color impedance measurements
Edgar A. Rojas-González, Gunnar A. Niklasson
The coloration mechanisms in electrochromic (EC) systems can be probed by comparing the dynamics of the electrical and optical responses. In this paper, the linear frequency-depend…
The fractal dimension of music: Melodic contours and time series of pitch
Maria H. Niklasson, Gunnar A. Niklasson
We analyze the fractal dimension of melodic contours and pitch time series of classical music and folk music tunes. The fractal dimensions obtained from box counting and detrended…
Differential coloration efficiency of electrochromic amorphous tungsten oxide as a function of intercalation level: Comparison between theory and experiment
Edgar A. Rojas-González, Gunnar A. Niklasson
Optical absorption in amorphous tungsten oxide (), for photon energies below that of the band gap, can be rationalized in terms of electronic transitions…
Setup for simultaneous electrochemical and color impedance measurements of electrochromic films: theory, assessment, and test measurement
Edgar A. Rojas-González, Gunnar A. Niklasson
Combined frequency-resolved techniques are suitable to study electrochromic (EC) materials. We present an experimental setup for simultaneous electrochemical and color impedance st…
Zero-point term and quantum effects in the Johnson noise of resistors: A critical appraisal
Laszlo B. Kish, Gunnar A. Niklasson, Claes G. Granqvist
There is a longstanding debate about the zero-point term in the Johnson noise voltage of a resistor. This term originates from a quantum-theoretical treatment of the Fluctuation-Di…