In this paper, a precise real-time temperature control system based on infrared (IR) thermometry for domestic induction cooking is presented. The temperature in the vessel constitutes the control variable of the closed-loop power control system implemented in a commercial induction cooker. A proportional-integral controller is applied to establish the output power level in order to reach the ta...

We compute the expected angular power spectrum of the cosmic Far Infrared Background (FIRB). We find that the signal due to source correlations dominates the shot–noise for l <∼ 1000 and results in anisotropies with rms amplitudes ( √ l(l+ 1)Cl/2π) between 5% and 10% of the mean for l >∼ 150. The angular power spectrum depends on several unknown quantities, such as the UV flux density evolution...

We review the progress in the QCD calculation of inclusive decay spectra. It was recently shown that the inherent infrared finiteness of inclusive spectra extends beyond the level of logarithms. Dressed Gluon Exponentiation makes practical use of this property by computing the Sudakov exponent as a Borel sum. Based on renormalon analysis, infrared sensitivity in the exponent is reflected in pow...

In this paper, we present an analytical model of a P-InAs0.36Sb0.20P0.44/ n-InAs/n-InAs single heterostructure light emitting diode (SH-LED) suitable for use as source in gas detection instrumentation system based on optical absorption gas spectroscopy in the mid-infrared spectral region at room temperature. The model takes into account all dominating radiative and non-radiative recombination p...

We present a new phenomenological model for the spectral energy distribution of normal star-forming galaxies between 3 and 1100 μm. A sequence of realistic galaxy spectra are constructed from a family of dust emission curves assuming a power law distribution of dust mass over a wide range of interstellar radiation fields. For each interstellar radiation field heating intensity we combine emissi...

New tools from Infrared Space Observatory (ISO) mid-infrared spectroscopy have recently become available to determine the power sources of dust-obscured ultraluminous infrared galaxies (ULIRGs). We compare ISO classifications – starburst or active galactic nucleus (AGN) – with classifications from optical spectroscopy, and with optical/near-infrared searches for hidden broad-line regions. The a...

We present the first mid-infrared spectra of two cool white dwarfs obtained with the Spitzer Space Telescope. We also present 3:5Y8 m photometry for 19 cool white dwarfs with 5000 K TeA 9000 K. We perform a detailed model atmosphere analysis of these white dwarfs by fitting their UBVRIJHK and Spitzer photometry with state-ofthe-art model atmospheres, and demonstrate that the optical and infrare...

Infrared has abundant, unregulated bandwidth enabling rapid deployment at low cost. However, safety limits on power emission levels (IEC825), large noise due to ambient lighting, and multipath dispersion remain as hurdles in diffused indoor environments. Especially, the high-frequency periodic interference produced by fluorescent lights is a major concern. Spread spectrum techniques enable low-...