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Updated: Aug 16, 2025
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Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
Published on: November 15, 2016
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Few-cycle pulse compression and white light generation in cascaded multipass cells
Optics Letters
|December 23, 2022
Summary
We achieved ultra-short laser pulses using stacked multipass cells, compressing 230 fs pulses down to 7 fs. This technique enhances peak power for advanced spectroscopy applications.
Area of Science:
- Physics
- Optics
- Laser Science
Background:
- Ultrashort laser pulses are crucial for advanced spectroscopic techniques.
- Existing pulse compression methods face limitations in efficiency and accessibility.
Purpose of the Study:
- To demonstrate supercontinuum generation and pulse compression using stacked multipass cells.
- To achieve significant pulse compression factors for high peak power output.
Main Methods:
- Utilized two stacked multipass cells employing dielectric mirrors.
- Input 230 fs pulses at 1 MHz with 12 µJ energy.
- Achieved pulse compression via nonlinear optical effects within the cells.
Main Results:
- Compressed pulses down to 7 fs, a 33-fold reduction.
- Generated 1.0 GW peak power pulses.
- Maintained an overall transmission efficiency of 84%.
Conclusions:
- Stacked multipass cells offer an effective method for generating ultrashort, high-peak-power laser pulses.
- The developed source is suitable for demanding applications like time-resolved angle-resolved photoemission spectroscopy (ARPES).
- This technology advances capabilities in nonlinear spectroscopy and photoemission electron microscopy.
