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Picosecond and Femtosecond Fibre Lasers for OEM Integration
Rainbow OEM Series from NPI Lasers
The Rainbow OEM series comprises four compact ultrafast fibre lasers for integration into optical and spectroscopic systems. The available models cover wavelengths from the green to the near-infrared spectral range and provide either picosecond or femtosecond pulses.
All four models can be controlled remotely via software. Depending on the wavelength and pulse parameters required, the laser output is provided as a spatially collimated beam or through a polarisation-maintaining single-mode fibre.
Four Models for Different Integration Requirements
The Rainbow OEM series covers four wavelength ranges and two pulse-duration regimes. The Rainbow 532 OEM and Rainbow 1064 OEM generate picosecond pulses, while the Rainbow 780 OEM and Rainbow 1550 OEM provide femtosecond pulses.
In addition to wavelength and pulse duration, the output configuration is an important selection criterion. The 532 and 780 nm models provide a spatially collimated output as standard. The 1064 and 1550 nm models use a polarization-maintaining single-mode fiber with an FC/APC connector.
FEATURES
- Wavelength options from 532 to 1560 nm
- Picosecond and femtosecond pulse configurations
- Compact designs for OEM integration
- Remote control via software
- Average power stability below 0.5% RMS over 12 hours
- Free-space or polarisation-maintaining fibre output, depending on the model
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MODELS
Rainbow 532 OEM – Green Picosecond Excitation
Choose this model for fluorescence lifetime imaging, TCSPC and nonlinear-optical applications requiring 532 nm output. A fibre-pigtailed configuration is optionally available.
Rainbow 780 OEM – Femtosecond Pulses for THz Systems
Designed for applications requiring pulses around 80 fs at 780 nm, particularly terahertz generation, THz time-domain spectroscopy and two-photon polymerisation.
Rainbow 1064 OEM – High-Power Picosecond Fibre Output
The preferred option for amplifier seeding, supercontinuum generation and laser metrology requiring more than 200 mW and PM fibre delivery.
Rainbow 1550 OEM – Femtosecond Fibre Output in the NIR
Suitable for near-infrared ultrafast systems requiring pulses below 80 fs, PM fibre delivery and flexible repetition-rate options.
Models and Key Specifications
| Model | Central Wavelength | Pulse Width (FWHM) | Repetition Rate | Average Power | Output |
|---|---|---|---|---|---|
| Rainbow 532 OEM | 532 ± 10 nm | <15 ps | 50 MHz; 20–50 MHz optional | >20 mW | Spatially collimated; fibre-pigtailed version optional |
| Rainbow 780 OEM | 780 ± 10 nm | <100 fs; typically 80 fs | 80 MHz | >60 mW | Spatially collimated |
| Rainbow 1064 OEM | 1064 ± 2 nm | <15 ps | 50 MHz; 20–50 MHz optional | >200 mW | PM single-mode fibre, FC/APC |
| Rainbow 1550 OEM | 1560 ± 10 nm | <80 fs | 80 MHz; 50–100 MHz optional | >100 mW; up to 200 mW | PM single-mode fibre, FC/APC |
Additional Laser and System Specifications
| Parameter | Specification |
|---|---|
| Average power stability | <0.5% RMS over 12 hours at 25 °C |
| Polarisation extinction ratio | >20 dB |
| Supply voltage | 12 VDC |
| Operating temperature | 15–35 °C |
| Operating humidity | 20–80%, non-condensing |
| Cooling | Air cooling |
