BIOLIT 2 line

Femtosecond fiber laser for biophotonics

1050 nm, 70 fs, 2 W, 20 MHz

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Standout features:

  • Very short and clean pulses

  • Robust and stable

  • Flexible repetition rate

  • Maintenance-free & turn-key

  • Integrated dispersion pre-compensation

Applications:

  • Multiphoton microscopy

  • Photopolymerization

  • Ophthalmology

  • OPO pumping

Clean pulses lead to sharp images

Biolit 2 is a compact, air-cooled femtosecond laser designed with multiphoton microscopy and other nonlinear optics applications in mind.

The industrial-grade device is exceptionally robust, affordable and maintenance-free.

A combination of ultra-short (typ. 60 fs) and clean pulses, superior beam quality and lower repetition rate – compared to solid-state siblings – enables unparalleled multiphoton imaging while preserving the object.

 

Product data sheet

SpecificationsModelModel
Biolit 2Biolit 2 SH 1)
Central wavelength1050 ± 5 nm515 ± 5 nm
Average power> 2 W> 400 mW
Pulse duration< 70 fs (60 fs typ.)
Pulse duration stability 2) < +/- 5 fs
Pulse strehl ratio> 0.9
Tunable dispersion pre-compensation 3)-10 000 fs² ... +500 fs²N/A
Pulse repetition rate 4)15, 20, 30 or 40 MHz15 or 20 MHz
Tuneable pulse repetition rate (optional) 5)1-40 MHz
Analog power control1 - 100 %
Analog power control bandwidth> 10 kHz - standard
> 300 kHz - optional
Peak power> 1 MW @ 20 MHz> 200 kW @ 20 MHz
Beam qualityM² < 1.2
Beam circularity 6)> 0.9
Beam diameter (at 1/e² level)1.5 ± 0.3 mm1.2 ± 0.3 mm
Polarizationlinear, vertical > 1000:1 extinctionlinear, horizontal > 200:1 extinction
Beam pointing (pk-to-pk) 2)< 50 μrad
Beam pointing vs temp. (pk-to-pk)< 25 μrad/°C
Pulse Energy Stability (RMS)< 1 %< 2 %
Power Stability (RMS) 2)< 1 %< 2 %
Warm-up time (cold start) < 10 min
Available control interfacesCAN, USB
Operating voltage100 ... 240 V AC, 47 ... 63 Hz
Operating temperature15 – 35 °C
Humiditynon condensing
Transportation/storage temperature- 20 °C – +70 °C
Dimensions:
Laser head (LxWxH)
Control unit (LxWxH)
334 x 217 x 139 mm
449 x 370 x 140 mm
334 x 211 x 165 mm
449 x 370 x 140 mm
Umbilical length3 ± 0.3 m
Colling:
Laser head
Control unit
air (passive)
forced air (fans)

1) Biolit-2 SH model also has infrared (1050 nm) output with the same specifications as standard Biolit laser. Both outputs are available simultaneously.
2) Measured during 24 h operation after 10 min warm-up.
3) Equivalent of 100 mm of SF10 glass. Even higher dispersion (up to 30’000 fs2) of the external optical system can be
pre-compensated in the factory on request.
4) Factory preset. Other repetition rates are available on request. Please inquire for more details.
5) Output repetition rate can be described by formula RR = RR0/N, where RR0 is fundamental repetition rate and N is integer
number. Output power is dependent on both RR and RR0. For power dependence on the repetition rate please contact LITILT.
6) Defined as the worst case ellipticity along the z-scan (± 5 × LRayleigh) of the beam.

World patented technology: US10038297, JP6276471, EP3178137, CN106575849.