Abstract
A two stack two color quantum well infrared photodetector (QWIP) for simultaneously detection of LWIR and near infrared (NIR) radiation is demonstrated. The LWIR sensor is based on a regular GaAs/AlGaAs QWIP, while the NIR sensor is based on a strained InGaAs/GaAs quantum wells structure. Optical and electrical measurements of the NIR detector and the inclusive device are presented and discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 391-396 |
| Number of pages | 6 |
| Journal | Infrared Physics and Technology |
| Volume | 42 |
| Issue number | 3-5 |
| DOIs | |
| State | Published - 1 Jan 2001 |
| Externally published | Yes |
Keywords
- LWIR
- Multispectral
- NIR
- QWIP
- See spot
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics