Physics · Generation of Attosecond Pulses
In the foundational experiments led by Anne L'Huillier that won the 2023 Nobel Prize, how were multiple high-order overtones of light generated to produce attosecond pulses?
- 1By focusing a gamma-ray beam onto a heavy metal target
- 2By passing a microwave beam through a superconducting crystal
- 3By reflecting an ultraviolet laser beam off a copper mirror
- 4By transmitting an infrared laser beam through a noble gas✓
Correct answer
By transmitting an infrared laser beam through a noble gas
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