Terahertz Frequency Comb (IMAGE)

California Institute of Technology

Terahertz Frequency Comb

Caption

Extremely short pulses of red light (quadrillionths of a second) are generated by a titanium-sapphire laser, and then converted into terahertz light. The red glowing component in the photograph shown above is the titanium-sapphire crystal, surrounded by mirrors used in the laser.

Credit

Brandon Carroll/Caltech

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