Datasheet

2.8 μm ultrafast fiber laser
Femtum offers the first 3-μm class ultrafast fiber oscillator. Thisreliable, compact and maintenance-free laser is ideal for R&D
applications in the mid-infrared.

Technical Specifications
Optical1

KEY FEATURES

StandardCustom

Central wavelength

2800 (± 20 ) nm

Bandwidth (FWHM)

10-30 nmAverage power

Compact and turn-key laser system
Self-starting automated mode locking
Pulse duration < 600 fs

35 mW> 100 mW

Average power up to 100 mW

Pulse energy

1 nJ> 3 nJ

Repetition rate

~ 35 MHz40 - 100 MHz

Peak power> 1 kW> 5 kW

Pulse duration~ 500 fs

200- 500 fs

Beam diameter

Single-mode output

APPLICATIONS< 3 mm2M (Average of X & Y)

< 1.3Output polarization

LinearMid-infrared frequency combs
Nonlinear frequency conversion
Supercontinuum generation

System specifications
Dimensions(W x H x D)

High-field physics

124 × 5.2 x 17.3 in.

Cooling

Fan-cooled

Voltage

100 to 240 V

Beam delivery

Fiber output2

Free space

Controller

Nonlinear spectroscopy and microscopy

Computer-controlled or integrated touch screen

Typical autocorrelation trace1AC intensity [-]Relative power [dB]

Typical spectrum (log scale)
0−10−20−30−402700

0.8
0.60.40.202750

2800

28502900

λ [nm]
12

FWHM ~ 440 fs−6−4−20246

Delay [ps]Specifications subject to change
Single-mode delivery cable upon request© 2021 F
Femtum Inc. All Rights
Rigghts Reserved.

Femtum Inc.
1-581-995-5157
info@femtum.com
femtum.com

1405 blv Parc-Technologique, 2nd floor
Québec (QC) G1P 4P5Canada㼣㼣㼣㻚㼜㼔㼛㼠㼛㼠㼑㼏㼔㼚㼕㼏㼍㻚㼏㼛㻚㼖㼜䛈㻟㻟㻢㻙㻜㻜㻝㻣㻌ᇸ⋢┴䛥䛔䛯䜎ᕷ༡༊༡ᾆ࿴㻌㻝㻙㻞㻙㻝㻣䚷㼀㻱㻸㻦㻜㻠㻤㻙㻤㻣㻝㻙㻜㻜㻢㻣㻌㻌㻲㻭㼄㻦㻜㻠㻤㻙㻤㻣㻝㻙㻜㻜㻢㻤㼑㻙㼙㼍㼕㼘㻦㼢㼛㼏㻬㼜㼔㼛㼠㼛㼠㼑㼏㼔㼚㼕㼏㼍㻚㼏㼛㻚㼖㼜

Datasheet

UltraTune 3400
Femtum is proud to offer the first commercial ultrafast fiber laser
in the mid-infrared. This compact, maintenance-free andtunable laser system is ideal for scientific applications, including
spectroscopy and nonlinear optics.

Technical Specifications
Optical1

KEY FEATURES
Standard (3400-35) 2

Central wavelength

Compact and turn-key laser system

Average power3 - 3.4 μm> 40 nm> 100 mW (> 500 mW @ 3400 nm)

Pulse energy>3.5 nJ (> 17 nJ @ 3400 nm)

Repetition rate~ 35 MHz (> 50 MHz optional)

Bandwidth (FWHM)

Peak power~ 1 - > 50 kW

Pulse duration< 500 fs

Beam diameter~ 3 or 9 mm

2M (Average of X & Y)

< 1.3Output polarization

RandomAutomated mode locking
Pulse duration < 500 fs
High average power above 2800 nm
Single-mode output

APPLICATIONSFrequency combs
Mid-infrared imaging
Nonlinear frequency conversion

System specifications 1Dimensions (W x H x D)1

Supercontinuum generation

Cooling

19 × 5.5 x 20.5 in. (rack-mount, 3U)
Air-cooledVoltage

100/240 V AC, 50/60 Hz

Beam delivery

Free space or fiber outputController

Computer-controlled (ethernet com.)

Typical autocorrelation trace

Typical spectra (linear scale)
Relative power [a.u.]

133.2

3.4

3.6

AC Intensity [a.u.]

Provided filter

2.8

3.8

Wavelength [μm]12High-field physics

0.8

FWHM ~ 200 fs

0.6
0.4
0.2
0−6−4−202
Delay [ps]46Specifications subject to change
Custom specification upon request

Femtum Inc.
1-581-995-5157
info@femtum.com
femtum.com

1405 boul. Parc-Technologique, 2nd floor
Québec (QC) G1P 4P5Canada© 2023
3 Femtummtumm Inc. All Rig
Rights Reserved.
rv㼣㼣㼣㻚㼜㼔㼛㼠㼛㼠㼑㼏㼔㼚㼕㼏㼍㻚㼏㼛㻚㼖㼜䛈㻟㻟㻢㻙㻜㻜㻝㻣㻌ᇸ⋢┴䛥䛔䛯䜎ᕷ༡༊༡ᾆ࿴㻌㻝㻙㻞㻙㻝㻣䚷㼀㻱㻸㻦㻜㻠㻤㻙㻤㻣㻝㻙㻜㻜㻢㻣㻌㻌㻲㻭㼄㻦㻜㻠㻤㻙㻤㻣㻝㻙㻜㻜㻢㻤㼑㻙㼙㼍㼕㼘㻦㼢㼛㼏㻬㼜㼔㼛㼠㼛㼠㼑㼏㼔㼚㼕㼏㼍㻚㼏㼛㻚㼖㼜