Amazon.com: Adafruit Super-bright 5mm IR LED (25 pack) [ADA388] : Electronics
850 nm Infrared LED Achieves Record 19 Watt Power - Ushio Europe B.V.
Everlight Introduces an Ultra-Thin 940nm IR LED in a small MIDLED Package — LED professional - LED Lighting Technology, Application Magazine
DK IR LED - narrow beam
Khatod Introduces the Newest Ultra Narrow Punch Beam Lenses Performing an Exceptional 3° Beam Angle — LED professional - LED Lighting Technology, Application Magazine
Ushio's New Narrow Angle 850 nm IR Single-Chip LED Package Achieves World Record Output Power — LED professional - LED Lighting Technology, Application Magazine
TT Electronics' Compact, Surface-Mount IR LED Emitter has Narrow FWH Angle — LED professional - LED Lighting Technology, Application Magazine