Compact millimeter-wavelength Fourier-transform spectrometer.

  title={Compact millimeter-wavelength Fourier-transform spectrometer.},
  author={Zhaodi Pan and Mira Liu and Ritoban Basu Thakur and Bradford A. Benson and Dale J. Fixsen and Hazal Goksu and Eleanor Rath and Stephan S. Meyer},
  journal={Applied optics},
  volume={58 23},
We have constructed a Fourier-transform spectrometer (FTS) operating between 50 GHz and 330 GHz with minimum volume (355×260×64  mm) and weight (5.9 kg) while maximizing optical throughput (100  mm2 sr) and optimizing the spectral resolution (4 GHz). This FTS is designed as a polarizing Martin-Puplett interferometer with unobstructed input and output in which both input polarizations undergo interference. The instrument construction is simple with mirrors milled on the box walls and one… 
5 Citations
Cryogenic spectrometer for measuring the far-IR to millimeter-wave absorptivity of cosmic analog dusts.
A custom apparatus built to measure the frequency- and temperature-dependent absorptivity of millimeter-wave light by cosmic analog dusts is reported on, highlighting the unique challenges faced as well as a few key innovations that are part of the instrument.
Design and performance of a terahertz Fourier transform spectrometer for axion dark matter experiments
Dedicated spectrometers for terahertz radiation with [0.3, 30] THz frequencies using traditional optomechanical interferometry are substantially less common than their infrared and microwave
J C A P 0 5 ( 2 0 2 0 ) 0 4 1 ournal of C osmology and A stroparticle P hysics
  • 2020
Simulation and calibration of a compact millimeter-wavelength Fourier transform spectrometer.
The simulation and calibration of a Fourier transform spectrometer developed to measure the spectrum of radiation sources between 50 GHz and 330 GHz is presented and the comparison between simulations of a spectrally unresolved source and measurements by the FTS is presented.
Calibration method and uncertainty for the primordial inflation explorer (PIXIE)
The Primordial Inflation Explorer (PIXIE) is an Explorer-class mission concept to measure cosmological signals from both linear polarization of the cosmic microwave background and spectral


Optical Characterization of the SPT-3G Camera
The third-generation South Pole Telescope camera is designed to measure the cosmic microwave background across three frequency bands (centered at 95, 150 and 220 GHz) with $$\sim $$∼ 16,000
A Continuously Tunable 65--15-GHz Gunn Oscillator
A phase-locked second harmonic Gunn oscillator, mechanically tunable from 65 to 115 GHz, has been developed for use as a Iocal oscillator (LO) in millimeter radio astronomy. The oscillator's output
A review of spaceborne infrared Fourier transform spectrometers for remote sensing
Infrared spectroscopy has many applications, and the Fourier transform spectrometer (FTS) has become an important analytical tool for these purposes. In addition to its use in benign laboratory
The 10 Meter South Pole Telescope
The South Pole Telescope (SPT) is a 10 m diameter, wide-field, offset Gregorian telescope with a 966 pixel, multicolor, millimeter-wave, bolometer camera. It is located at the Amundsen-Scott South
The Keck Array: A Multi Camera CMB Polarimeter at the South Pole
The Keck array is a new multi-camera Cosmic Microwave Background (CMB) polarimeter. Each camera contains 256 polarization pairs of antenna-coupled transition edge sensor (TES) bolometers. We recently
Far infrared transmission of dielectrics at cryogenic and room temperatures: glass, Fluorogold, Eccosorb, Stycast, and various plastics.
The absorption coefficient and index of refraction have been measured in the 2–30-cm−1 frequency range for the following materials at a temperature near 5 K: Pyrex, Fluorogold, Eccosorb CR110,
The Effects of Bandpass Variations on Foreground Removal Forecasts for Future CMB Experiments
Time-dependent and systematic variations in the band gain and central frequencies of instruments used to study the cosmic microwave background (CMB) are important factors in the data-to-map analysis
glass, fluorogold, eccosorb, stycast, and various plastics,” Appl
  • Opt. 25, 565–570
  • 1986
Design for the COBE far-infrared absolute spectrophotometer
The Far InfraRed Absolute Spectrophotometer (FIRAS) was built to measure the spectrum of diffuse emission from 1 to 100 cm-1, with particular attention to possible differences between the spectrum of