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TOPAG Lasertechnik GmbH
Nieder-Ramstädter Str. 247
64285 Darmstadt
Telefon: +49 6151 4259 78
Telefax: +49 6151 4259 88 
E- mail: info [at] topag.de 

CARBIDE Laser

653
Femtosekunden-Laser CARBIDE

Carbide

Der neu entwickelte ultrakompakte Femtosekunden-Laser CARBIDE verwendet im Vergleich zum PHAROS mehrere technologische Innovationen: ein vereinfachtes Setup bei Pumpdioden, ein kompakt ausgelegter Resonator für hocheffizienten Betrieb und ein bereits integriertes Netzteil ("true one-box design"). Die flexible Repetitionsrate 60kHz-1MHz und einstellbare Pulslänge 290fs-10ps runden das Profil des Lasers ab.

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Bezeichnungen der Tabs

  • Beschreibung
  • Spezifikationen
  • Bilder
Tab 1

Features

  • Pulse duration <290 fs
  • Tunable pulse duration 290 fs - 10 ps
  • Pulse energy up to >400 μJ
  • 40 W output power
  • Flexibility in repetition rate: 60 - 1000 kHz / 100 - 1000 kHz / 200 - 1000 kHz
  • Rugged, industrial grade mechanical design
  • Ultra compact with integrated cooling and power supply  
  • Includes pulse picker for pulse-on-demand operation


Applications

  • Biomedical
  • Micromachining
  • Micro- and nano-structuring
  • Multi-photon polymerisation
  • Nonlinear optics
  • Time-resolved spectroscopy
  • Microscopy  


The CARBIDE industrial femtosecond laser series features output power of >40 W at 1028 nm wavelength. With >400 μJ pulse energies, it maintains the best features of its predecessor PHAROS: a variable pulse repetition rate in the range of 60–1000 kHz (amplifier internal clock) with the built‑in pulse picker feature for pulse‑on‑demand control and computer controllable pulse duration of 290 fs – 10 ps. In addition to usual parameters, CARBIDE brings in a few new technologies. One of the most important being a few times higher output average power to wall plug efficiency. It also features a novel approach to cavity design where oscillator, stretcher/compressor and amplifier are integrated into a single housing, hence it is optimised for volume production. Furthermore, it allows fast warm‑up (important for medical applications) and easy access to pump LD modules for replacement. The intra‑cavity pulse picker facilitates the reduction of cost and power consumption. Highly integrated LD driver and control electronics along with an embedded control computer now provide less electromagnetic noise emission and allow faster assembly during the production stage. However, one of the most impressive features of CARBIDE is its size of 631×324×167 mm for the air-cooled version and 632×305×173 mm for the water-cooled version including an integrated power supply and an air cooling unit. The water-cooled version has an external chiller. This represents a reduction in system volume by factor 7 compared to PHAROS, already one of the most compact ultrafast lasers on the market.
CARBIDE features a number of optional components complementing different application requirements: certified safety shutter, beam conditioning unit (beam expander with optional spatial filter), automated attenuator, harmonics unit and additional pulse picker for enhanced contrast. It is primarily targeting the industrial market where cost-effective solutions of relatively low average power with ultrafast pulses are required. For the main part, these are biomedical applications for direct biological tissue processing or biomedical device manufacturing. In addition, the output parameters of CARBIDE are sufficient to support different wavelength converters ranging from harmonic generators to parametric amplifiers.

Tab 2

Model

CB1-04 CB1-05 CB3-40-200 CB3-40-400
Cooling method Air-cooled1) Water-cooled
Max. average power > 4 W > 5 W > 40 W
Min. pulse duration1) < 290 fs
Pulse duration range < 290 fs - 10 ps
Max. pulse energy > 65 µJ > 85 µJ > 200 µJ > 400 µJ
Base repetition rate2) 60 - 1000 kHz 200 - 1000 kHz 100 - 1000 kHz
Pulse selection Single-shot, pulse-on-demand, any base repetition rate division
Central wavelength3) 1028+/-5 nm
Beam quality TEM00; M² < 1.2
Pulse picker included, enhanced contrast AOM4) included included
Pulse picker leakage < 0.1 % < 2 % <0.5 %
Output power stability5) < 0.5 % rms over 24 hours
 

1) Water-cooled version available on request
2) Lower repetition rates are available by controlling pulse picker.
3) 2nd (515 nm) and 3rd (343 nm) harmonic output also available.  
4) Provides fast amplitude control of output pulse train.
5) Under stable environmental conditions.

Environmental & Utility requirements

Model CB1-04 CB1-05 CB3-40-200 CB3-40-400
Operating temperature 17 27 °C (62 - 80 °F)
Relative humidity < 65 % (non condensing)
Electric 110-220 VAC, 50-60 Hz, up to 300W
 


Dimensions

Model CB1-04 CB1-05 CB3-40-200 CB3-40-400
Laser head 631 (L) x 324 (W) x 167 (H) mm 632 (L) x 305 (W) x 173 (H) mm
Power supply 220 (L) x 95 (W) x 45 (H) mm
 

Tab 3

Tab 3 Inhalt

Tab 4

Tab 4 Inhalt

Tab 5
Bild 1
 Water-cooled version of CARBIDE models CB1-04 and CB1-05 with harmonics generator module
Beschreibung 1
Water-cooled version of CARBIDE models CB1-04 and CB1-05 with harmonics generator module
Bild 2
 Typical CARBIDE beam profile (water-cooled version)
Beschreibung 2
Typical CARBIDE beam profile (water-cooled version)
Bild 3
 Long-term power stability (water-cooled version)
Beschreibung 3
Long-term power stability (water-cooled version)
Bild 4
 Pulse duration of CARBIDE (water-cooled version)
Beschreibung 4
Pulse duration of CARBIDE (water-cooled version)
Bild 5
 carbide stability
Beschreibung 5
Spectrum of CARBIDE (water-cooled version)
Bild 6
 Air-cooled CARBIDE outline drawing
Beschreibung 6
Air-cooled CARBIDE outline drawing
Bild 7
 Air-cooled CARBIDE outline drawing with optional harmonics module
Beschreibung 7
Air-cooled CARBIDE outline drawing with optional harmonics module
Bild 8
 carbide beam
Beschreibung 8
Typical CARBIDE 1H beam profile 60 kHz, 5W (air-cooled version)
Bild 9
 CARBIDE beam position under harsh environment conditions (air-cooled version)
Beschreibung 9
CARBIDE beam position under harsh environment conditions (air-cooled version)
Bild 10
 Typical CARBIDE output power vs. pump current with optional HG (air-cooled version)
Beschreibung 10
Typical CARBIDE output power vs. pump current with optional HG (air-cooled version)