This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
LED Standands . NIST scientists Yuqin Zong pictured and Yoshi Ohno have developed new method for measuring the optical properties of high power LEDs that will allow manufacturers to accurately obtain and compare data By mounting the LED on temperature controlled heat sink the researchers can test the LEDs at their normal operating