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High Powered Hollow-Core Fiber Compressor

High power stretched flexible hollow core fiber pulse compressor

The SAVANNA-HP is the result of a collaboration between UltraFast Innovations and the Institute for 

Nanophotonics in Göttingen IFNANO. The stretched flexible hollow core fiber (SF-HCF) compressor 

spectrally broadens high-energy femtosecond input pulses by nonlinear interaction with a noble gas of 

adjustable gas pressure inside a hollow fiber and subsequently compresses the pulse using chirped mirror

technology from UltraFast Innovations. The state of the art SF-HCF technique from IFNANO allows nearly 

ideal wave guiding reducing the losses to a minimum and allows accumulation of self-phase modulation

over an interaction length of up to 8 m. The incoupling is protected by a high power shield allowing extreme

input parameters of few tens of mJ pulses and an average power of up to 20 W (with active cooling up to

several hundred Watts). Combining the SF-HCFs from IFNANO and our chirped mirrorcompression, we

provide an unmatched compression unit for today's state of the art lasers.

image.png


Key Product Features:

 Input pulse duration: up to hundreds of fs (as short as possible)

 Input pulse energy: up to few tens of mJ 

 Typical compression factor: 5-30 x 

 Fiber transmission: close to the theoretical limit 

 Fiber length: up to 8 m

 Supported input peak power: Up to 400 GW at 10 W average power 

 Supported input average power: Up to several hundred Watts at 125 GW peak power 

 Active cooling for average powers > 20 W 

 Footprint: 300-1000 cm x 60 cm 


Customization Options

 Variable spectrum selection 

 Flexible dispersion management 

Custom reflective mirror telescope with astigmatism compensation

 In-coupling / Out-coupling chamber with Z-lock unit 

 Pressure-stabilized single / double differentially pumped setup 

 Active beam pointing stabilization unit



SF-HCF specifications:


 Standard Special Complex Custom
 Max. peak power 125 GW 250 GW | 125 GW 400 GW | 125 GW 400 GW
 Max. average power 10 W 10 W | 20 W 10 W | 100 W > 100W
 Max fiber length 3 m 4 m 6 m 8 m
 Typical transmission* 80 % 75 % 70 % 65 %
 Typical spectral broadening 15 x 20 x 30 x 45 x



Temporal and spectral pulse characteristics:


image.png


 

 Left: Retrieved temporal profile and ideal Fourier transform limited shape (FTL). 

 Right: Fiber output spectrum supporting 2.9 fs pulses. Input: 24 fs & 10 mJ into 

 2.5 m fiber



image.png

 Left: Spectrum (red) after broadening in a 6 m SF-HCF fiber and phase (blue) after

 compression. Right: Retrieved compressed pulse (red) and Fourier transform limited 

 shape (black). Inset: output beam profile. Results achieved by coupling 300 fs & 

 580W pulses into a 6 m fiber. 

 Output: 318 W in compressed 10 fs pulses




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Technical Assistance and Email Quotations (Recommended for Custom Orders, inquiries)

For technical assistance, custom orders or email quotations, drop us an email at info@simtrum.com.

We will get back to you within 3 working days.


Local Same Day Service

SINGAPORE: For same day service, please contact us at 6996 0391. Office Hours: 9am - 6pm (+8GMT)

For more contact information click here.


International Inquiries

SIMTRUM provides worldwide shipping and inquiry management. Please contact us for more information.




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