Focus 920
FOCUS 920 is a femtosecond fiber laser dedicated to multiphoton microscopy and neuroscience.
Operating at 920 nm, the most widely used excitation wavelength for two-photon imaging, it delivers efficient excitation for multiphoton fluorescence, SHG and THG, with deep tissue penetration and high signal-to-noise ratio. It is ideally suited for calcium and voltage imaging.
Based on an all-fiber architecture, FOCUS 920 is a robust and cost-effective alternative to tunable Ti:Sapphire oscillators. It offers long-term stability without alignment, requires no expert installation, and is ready to image straight out of the box.
Operating at 40 MHz with ultrashort pulses, FOCUS 920 provides higher pulse energy than conventional 80 MHz systems at comparable average power, generating stronger fluorescence signals while reducing thermal load on the sample. The increased pulse spacing also makes it well suited for fluorescence lifetime imaging (FLIM).
Compact, stable and easy to integrate, FOCUS 920 delivers a reliable, high-performance light source for demanding multiphoton imaging applications.
| Specifications | FOCUS 920 |
|---|---|
| Average Power | > 1.3 W |
| Energy per pulse | > 32 nJ |
| Pulse Duration | < 100 fs |
| Repetition rate | 40 MHz |
| Beam Diameter | 1.2 mm |
| Wavelength | 920 nm |
| M2 | < 1.2 |
| Pointing stability | < 20 µrad/°C |
| Dispersion compensation | 0 fs² to -40,000 fs² |
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