High power LEDs

There are now really high power LED modules available at reasonable prices. One manufacturer from Taiwan,  Huey Jann Electronics Industries, has available 100 watt LED modules. They are approximately 5 by 5 cm square and emit as much light as a 1000 W quartz halogen lamp. I have ordered a few 30 W and 100 W LED modules to use in gas-exchange measurements. I ordered them through Kruse Lighting Solutions. (26/11: The LEDs arrived.)