超快光纤激
光器

LightWire FFS series

Compact turn-key fiber seeders for femtosecond lasers
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datasheet

 /  For femtosecond CPA systems

 /  Up to 200 mW; Up to 250 nJ per pulse

 /  Compressed or chirped pulses, chirp shaping

 /  < 300 fs after compression

 /  kHz up to MHz pulse repetition rates

LightWire FFS series Compact Fiber Seeders for Femtosecond Lasers
Download
datasheet

 /  For femtosecond CPA systems

 /  Up to 200 mW; Up to 250 nJ per pulse

 /  Compressed or chirped pulses, chirp shaping

 /  < 300 fs after compression

 /  kHz up to MHz pulse repetition rates


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Features & Applications

Features

  • Pulse energy > 250 nJ at repetition rate < 200 kHz
  • Compressed or chirped broadband pulses
  • Down to 300 fs pulses available after compression

Applications

  • Seeding femtosecond CPA systems

Options

  • Collimated free space output available as option for FFS10 and FFS100 models [code: FFS10/100-COL]
  • Integrated fiber pulse picker option (repetition rate 26 kHz – 52 MHz) with TTL synchronization interface is available for FFS10 and FFS100 models [code: FFS10/100-AOM]

Description

LightWire FFS series fiber lasers are dedicated for seeding solid state femtosecond Yb:YAG based CPA systems. Ekspla offers FFS lasers either with femtosecond pulse duration directly from fiber, or with chirped pulses. Broad up to 12 nm spectral bandwidth enables amplification of pulses with < 300 fs compressed duration. Special feature of FFS200CHI laser is customizable chirp profile to match compressor design of the CPA system.

Specifications

ModelFFS10FFS100CHIFFS200CHI
Main specifications 1)
Central wavelength1030 ±1 nm
Spectral bandwidth3.5 ± 0.5 nm8 ± 1 nmup to 12 nm
Pulse duration 550 ± 50 fs 7 ± 2 ps (chirped)>50 ps (chirped)
Compressed pulse durationNA< 300 fsdown to 300 fs
Chirp profileno chirplinearcustom 2)
Oscillator pulse repetition rate52 ± 3 MHz
Pulse repetition rate with pulse picker 3)26 kHz – 52 MHz (PRR = PRROSC/N, N=1,2,3...,2000)
Output power (without/with pulse picker)> 1 mW / >0.5 mW> 50 mW / >25 mW> 200 mW at 10 MHz
> 100 mW at 1 MHz
> 25 mW at 100 kHz
Pulse energy (without/with pulse picker)> 20 pJ / > 10 pJ> 1 nJ / > 0.5 nJ> 250 nJ at repetition rates < 200 kHz
Polarizationlinear, > 100:1 extinction
Optical outputFC/APC connector or collimator with mounting flange (optional)collimator and isolator node 2)
Umbilical5 m length armored cable Ø5 mm
Beam diameter0.9 ± 0.1 mm
Beam heightNA38 mm
Beam qualityM2 < 1.1
Pulse train monitoringphotodiode output for oscillator train, TTL synch pulse for laser output (when pulse picker included)
Dimensions of control unit (L×W×H)315×450×95 mm (19" rack mountable)
Dimensions of collimator (D×L)Ø33.02 × 11.76 mm
Weight< 10 kg
Control interfaceUSB, CAN, RS232, LAN, (WLAN optional)
Power supply (AC/DC adapter included)
100 – 240 V, 50 – 60 Hz AC
Power consumptionmaximal 230 W (typical 60 W)
Operating conditions10 – 30 °C, humidity – not condensing

 

1) Due to continuous improvement all specifications are subject to change without notice.

1) Due to continuous improvement all specifications are subject to change without notice.
2) Chirp profile will be optimized by Ekspla to match customer compressor design.
3) Pulse picker is an option for FFS10, FFS100 models. It supports external gating. FFS200CHI includes internal frequency divider, which enables pulse repetition rate reduction but does not support external gating.
4) FFS200CHI model is provided with collimator & isolator node with dimensions 104×52×67 mm.

Performance

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Drawings


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