the APE FemtoControl Dispersion Compensation is a motorised unit for optimisation of the duration of femtosecond laser pulses.
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the APE FemtoControl Dispersion Compensation is a motorised unit for optimisation of the duration of femtosecond laser pulses.
A compact boxed system for the spectral range of Ti:Sa lasers is available off the shelf. For applications that require extreme GDD compensation, whether in 2P or 3P microscopy, a range of customer specific solutions are available.
Femtosecond pulses which pass through any kind of optical material experience dispersion that can lead to temporal broadening of the ultrashort pulses with subsequent reduction in peak power. Thus, the experimental conditions are changed and degraded. femtoControl compensates for material dispersion by applying the inverse amount of dispersion to the pulse. This is generated by a pair of prisms on motorized translation stages allowing continuous adjustment of the pulse length.
| femtoControl | NIR-Ti:sa | NIR-Broadband | IR |
|---|---|---|---|
| Wavelength range others on request |
680 nm … 1080 nm | 650 nm … up to 1320 nm | 1150 nm … up to 2500 nm |
| GDD range | -13,000 fs2 … 0 fs2 at 800 nm | -5,000 fs2 … 5,000 fs2 at 800 nm | -5,500 fs2 … 13,000 fs2 at 1300 nm 0 fs2 … 14,000 fs2 at 1700 nm |
| Input polarization | Linear, horizontal | ||
| Input beam diameter (1/e2) | <4 mm | ||
| Transmission | >90% at 800 nm | >85% at 800 nm | >65% at 1300 nm >70% at 1700 nm |
Dispersion compensation
Multiphoton microscopy
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Photonic Solutions Ltd
Unit 2.2 Quantum Court
Heriot-Watt University Research Park
Edinburgh
EH14 4AP
