Dual-wavelength fiber lasers
Dual-wavelength fiber lasers
SRS | CARS | microscopy
Tuning range
600cm-1 to 3300cm-1
Average power
up to 500mW
Fast tuning & software API

Introduction

Compact, alignment-free and all-fiber picosecond laser source for CARS microscopy delivering synchronized pump and Stokes pulses from a single fiber end. This air-cooled and turn-key CARS laser source has a great benefit for the user as the fiber delivery eliminates alignment of the spatial and temporal pulse overlap.

High-quality and high-speed microscopic multimodal nonlinear imaging is possible by e.g. simultaneously probing the CARS CH-vibrational-levels of lipids around 2850 cm-1, the second harmonic generation (SHG) and the two-photon excited fluorescence (TPEF) signals.

Specifications

The following specs show a range of what is possible. Please contact us with your desired specifications and we happily customize a system exactly to your needs.

DWFL-2022s
Tuning range (wavenumbers)

600 cm-1 … 2250 cm-1

Output wavelength range (pump)

845nm…992nm

Output wavelength range (Stokes)

1027nm…1033nm

Spectral width 1 (pump)

<15cm-1

Spectral width 2 (Stokes)

<6cm-1

Repetition rate (pump)

Typically 10MHz

Repetition rate (Stokes)

Typically 10MHz

Tuning speed

<5s (full range)

Average power (pump)

>50mW

Average power (Stokes)

>100mW

Average power stability

<1.5% RMS over 1h

Pulse duration (pump)

≤30ps

Pulse duration (Stokes)

≤70ps

Polarization

Linear

Beam quality (pump & Stokes)

M² < 1.3 (fiber-coupled)

Spatial overlap

Overlapped or independent outputs possible

Temporal overlap

Passively overlapped or actively adjustable to compensate dispersion effects in attached microscope

SRS extension

Available as options RIN < -145dBc/Hz at frep/2

Power tunability

Outputs can be tuned independently from 0 to full power while maintaining pulse duration and bandwidth

Warm-up time after system start

<1min

Control interface

Software, RS232, USB, customizable

Dimensions (W × D × H)

approx. 400mm × 350mm × 150mm

Mass

<20kg

Power consumption / Cooling

<500W

Cooling

air-cooled

DWFL-2022i
Tuning range (wavenumbers)

600 cm-1 … 2250 cm-1

Output wavelength range (pump)

1039nm…1053nm

Output wavelength range (Stokes)

1039nm…1053nm

Spectral width 1 (pump)

<6cm-1

Spectral width 2 (Stokes)
<3cm-1
Repetition rate (pump)

Typically 10MHz

Repetition rate (Stokes)

Typically 10MHz

Tuning speed

<5s (full range)

Average power (pump)

>100mW

Average power (Stokes)

>30mW

Average power stability

<1.5% RMS over 1h

Pulse duration (pump)

≤70ps

Pulse duration (Stokes)

≤30ps

Polarization

Linear

Beam quality (pump & Stokes)

M² < 1.3 (fiber-coupled)

Spatial overlap

Overlapped or independent outputs possible

Temporal overlap

Passively overlapped or actively adjustable to compensate dispersion effects in attached microscope

SRS extension

Power tunability

Outputs can be tuned independently from 0 to full power while maintaining pulse duration and bandwidth

Warm-up time after system start

<1min

Control interface

Software, RS232, USB, customizable

Dimensions (W × D × H)

approx. 400mm × 350mm × 150mm

Mass

<20kg

Power consumption / Cooling

<500W

Cooling

air-cooled

DWFL-2010
Tuning range (wavenumbers)

2750 cm-1 … 3150 cm-1

Output wavelength range (pump)

775nm…806nm

Output wavelength range (Stokes)

1120nm…1350nm

Spectral width 1 (pump)

<45cm-1

Spectral width 2 (Stokes)

<15cm-1

Repetition rate (pump)

Typically 10MHz

Repetition rate (Stokes)

Typically 10MHz

Tuning speed

<5s (full range)

Average power (pump)

>100mW

Average power (Stokes)

>150mW

Average power stability

<1.5% RMS over 1h

Pulse duration (pump)

≤40ps

Pulse duration (Stokes)

≤40ps

Polarization

Linear

Beam quality (pump & Stokes)

M² < 1.3 (fiber-coupled)

Spatial overlap

Overlapped or independent outputs possible

Temporal overlap

Passively overlapped or actively adjustable to compensate dispersion effects in attached microscope

SRS extension

Power tunability

Outputs can be tuned independently from 0 to full power while maintaining pulse duration and bandwidth

Warm-up time after system start

<1min

Control interface

Software, RS232, USB, customizable

Dimensions (W × D × H)

approx. 400mm × 350mm × 150mm

Mass

<20kg

Power consumption / Cooling

<500W

Cooling

air-cooled

DWFL-2010-SRS

Tuning range (wavenumbers)

600 cm-1 … 3300 cm-1

Output wavelength range (pump)

Typically between 600nm and 1100nm

Output wavelength range (Stokes)

Typically between 600nm and 1100nm

Spectral width 1 (pump)

<15cm-1

Spectral width 2 (Stokes)

<10cm-1

Repetition rate (pump)

18MHz

Repetition rate (Stokes)

36MHz

Tuning speed

<5s (full range)

Average power (pump)

≥200mW

Average power (Stokes)

≥500mW

Average power stability

<1.5% RMS over 1h

Pulse duration (pump)

≤40ps

Pulse duration (Stokes)

≤40ps

Polarization

Linear

Beam quality (pump & Stokes)

M² < 1.3

Spatial overlap

Overlapped or independent outputs possible

Temporal overlap

Passively overlapped or actively adjustable to compensate dispersion effects in attached microscope

SRS extension

Available as options RIN < -145dBc/Hz at frep/2

Power tunability

Outputs can be tuned independently from 0 to full power while maintaining pulse duration and bandwidth

Warm-up time after system start

<1min

Control interface

Software, RS232, USB, customizable

Dimensions (W × D × H)

approx. 750mm × 750mm × 250mm

Mass

<70kg

Power consumption / Cooling

<500W

Cooling

air-cooled

Performance

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