GaSb is a leading material for mid-wave (MWIR) and long-wave (LWIR) infrared technologies. IQE’s antimonide substrates and epitaxy supports both military-grade defence systems and emerging civil applications for smart cities, healthcare and industrial imaging. By leveraging decades of expertise in MWIR and LWIR emitters and detectors, IQE continues to advance GaSb platforms for new and advanced high-resolution sensing solutions.

Applications

Sense

  • Infrared detectors for surveillance, threat detection and border control
  • Environmental monitoring, HAZMAT detection and non-invasive diagnostics
  • High-resolution IR imaging for process control and safety

Wafer structures offered

  • GaSb Type-II Strain Layer Superlattice (T2SL), nBn and Interband Cascade IR photodetector (MWIR-LWIR)
  • GaSb MWIR and LWIR lasers

Leading in GaSb epitaxy

  • Specialist expertise with decades of leadership in antimonide epitaxy and the manufacture of low EPD, epitaxy-ready substrates
  • Mission critical as the premier trusted supplier of GaSb wafers for surveillance, border security and military sensing applications
  • Expanding to consumer applications by bringing GaSb into healthcare and industrial inspection markets
  • Innovation leadership where IQE has pioneered the development of high performance antimonide epitaxy enabling the highest resolution sensors to be developed and scaled