DLATGS

For Infrared (IR) Spectrometers

The crystal growth process for DLATGS (deuterated L-alanine doped triglycine sulphate) detectors, developed by the company, and unrivaled production skills have enabled the business to continue to expand. 

Our DLATGS detectors are pyroelectric and can be operated uncooled or with temperature stabilization.

They are supplied in a range of element sizes with options of hermetic sealing, parylene coating, filter material, pin configuration, and performance characteristics.

We are the leading supplier of high-performance DLATGS detectors for FT-IR instruments.

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DLATGS
  • Key Features
  • Technical Specifications
  • Technical Drawings
  • DLATGS is one of the highest performing commercial pyroelectric materials available today
  • Doped with Deuterium to raise Curie temperature to ~ 59ºC
  • Doped with L-alanine to prevent permanent depoling after excursions above Curie temperature
  • Broad spectral response
  • Standard detector supplied in a TO5 package
  • Temperature stabilization available in TO37 and TO66 type packages
  • Variety of pinning configurations
  • Range of thermal time constants from 4 ms to 14 0ms
  • Range of element sizes from 0.25 mm to >4 mm, round, square, and rectangular
  • Choice of windows
  • Custom designs considered
  • Hermetic sealing of window or Parylene coating for improved environmental durability.

Electrical

  • Recommended supply voltage: + 8 to 10 V
  • Maximum supply voltage: +25 V
  • Typical output impedance: 3.5 kΩ
  • Recommended source load resistor: 47 kΩ
  • Integral JFET pre-amplified:
    • With gate resistance of 10 or 30 GΩ: 99, 104, 105 series
    • With gate resistance of 100 GΩ: 106 series

Environmental

  • Operating temperature: -20°C to 55°C
  • Storage temperature: -20°C to 70°C
  • Storage humidity: <50% RH
  • Operating frequency range: 10 Hz to >20 Hz

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