- 210 – 4800 nm tuning range
- 1 – 4 ps pulse duration
- Nearly bandwidth-limited output, < 15 cm-1 spectral bandwidth
- Up to 100 kHz repetition rate
- High stability by seeding with femtosecond white-light continuum
ORPHEUS-PS is a narrow-bandwidth optical parametric amplifier, designed for PHAROS and CARBIDE lasers. This device is pumped by the picosecond pulses produced in a second harmonic bandwidth compressor SHBC and is seeded by a white-light continuum generated by femtosecond pulses. This enables very high pulse-to-pulse stability compared to other methods of generating tunable picosecond pulses. The white-light generation module is integrated into the same housing as the amplification modules, enabling even better long-term stability and ease of use. The system features high conversion efficiency, bandwidth- and diffraction-limited output, and full computer control.
Part of the laser radiation can be split to simultaneously pump a femtosecond OPA, providing broad-bandwidth 630 nm – 16 μm tunable pulses, giving access to the complete set of beams necessary for versatile spectroscopy applications such as femtosecond stimulated Raman spectroscopy (FSRS) and sum-frequency generation (SFG) spectroscopy.
- Femtosecond stimulated Raman spectroscopy (FSRS)
- Sum-frequency generation (SFG) spectroscopy
|Tuning range||640 – 1000 nm (Signal)
1060 – 2600 nm (Idler)
|Conversion efficiency at peak||> 8% (Signal and Idler combined)|
|Spectral bandwidth||< 20 cm-1 @ 700 – 2000 nm|
|Pulse duration||800 fs – 3 ps|
|Pulse-to-pulse energy stability 1)||< 2% @ 700 – 960 nm & 1100 – 1500 nm|
|SHBC output pulse energy 2)||> 15% of pump|
|Compressed pump output||1030 nm, < 300 fs, > 5 µJ|
- Expressed as NRMSD (normalized root mean squared deviation).
- 515 nm output port available, not simultaneous to OPA output.
|SH||Tuning range||320 – 500 nm (SHS)
530 – 640 nm (SHI)
|Conversion efficiency||> 3% at peak|
|FH||Tuning range||210 – 250 nm (FHS)
265 – 320 nm (FHI)
|Conversion efficiency||> 0.3% at peak (for > 200 µJ pump energy)|
|DFG||Tuning range||2400 – 4800 nm|
|Conversion efficiency||> 0.25% at 3200 nm (for > 200 µJ pump energy)|
For custom tuning curves visit Optics ToolBox.
ORPHEUS-PS Narrow-Bandwidth Optical Parametric Amplifier
Rev. 18/02/2021. Size 171 KB.
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