TuE2.1 - HIGH-POWER TERAHERTZ METASURFACE EXTERNAL CAVITY QUANTUM-CASCADE LASERS
Abstract
Abstract
Terahertz quantum-cascade (QC) lasers that operate in the vertical-external-cavity-surface-emitting-laser (VECSEL) configuration are enabled by the use of active reflectarray metasurfaces which serve as one mirror in an external cavity. We present the latest developments in THz QC-VECSELs, including watt-level output power in high-quality beam patterns.
TuE2.2 - GAN-BASED VERTICAL-CAVITY SURFACE-EMITTING LASERS
Abstract
Abstract
We will review progress on GaN-based vertical-cavity surface-emitting lasers (VCSELs). A key challenge in GaN-based VCSELs is forming lattice matched distributed Bragg refelectors (DBRs). We will highlight an approach to DBRs that uses nanoporous GaN and present recent performance of electrically injected GaN-based VCSELs.
TuE2.3 - LIGHT EMITTING DEVICES AND LASERS FROM METAL HALIDE PEROVSKITES
Abstract
Abstract
We will present light emitting diodes (LEDs) and lasers composed of metal halide perovskite semiconductors. They are capable of exceeding 17% external quantum efficiency, can be as flexible as organic electronic thin films, and possess tunable emission from the green to near infrared.
TuE2.4 - 4H-SIC SINGLE PHOTON DETECTOR FOR DETECTION OF INDIVIDUAL AIRBORNE PARTICLES IN LIGHT INDUCED FLUORSCENCE SYSTEMS
- E. Chong (KR) Agency for Defense Development, 4th division
- C. Haughn (US) CCDC Army Research Laboratory
- A. Zeigler (US) CCDC Army Research Laboratory
- S. Kelley (US) CCDC Army Research Laboratory
- K. Olver (US) CCDC Army Research Laboratory
- J. Smith (US) CCDC Army Research Laboratory
- J. Cabalo (US) CCDC Chemical Biological Center
- Y. Koh (KR) Agency for Defense Development
- M. Wraback (US) CCDC Army Research Laboratory
- G. Garrett (US) CCDC Army Research Laboratory, Sensors and Electron Devices Directorate
- A. Sampath (US) CCDC Army Research Laboratory
Abstract
Abstract
This study proposed performance of SiC-APD module in biological aerosol sensor system (BAS) instead of current PMT to detect harzardous airborne biologiclal components particles. The SiC-APD module integrated BAS has successfully detected NaCl, Tryptophan, Ovalbumin and fluorescence PSL particles below 10 um in diameter.