With 30 µJ pulse energy, 370 fs pulse width, a M2<1.1, and tunable PRF and pulse width, the Cazadero offers a reliable, cost-effective alternative to solid state laser amplifiers for biomedical, scientific, and research applications.

Carmel - Compact Fiber Based Femtosecond Laser (CFL)

Multiphoton Microscopy Femtosecond Laser

The Carmel fiber based femtosecond lasers (CFL series) offers high power, ultra-short pulses, and stable performance with a compact laser head for industrial, scientific, biomedical applications including multiphoton microscopy and laser spectroscopy.

The Carmel is a high power, air-cooled, 780 nm, fiber-based femtosecond laser for industrial, scientific, and biomedical applications. Typical uses include multiphoton microscopy, as a Ti:Sapphire seed, replacing Ti:Sapphire lasers used at 780 nm or 1550 nm, biophotonics, laser spectroscopy, materials characterization, optical metrology, and as a Terahertz radiation source.

Its ultra-compact fiber laser head is over 100 times smaller than many Ti:Sapphire lasers with a similar output power level. It is a turnkey, rugged industrial laser system with a portable design and excellent system stability. Push button startup and no maintenance makes our fiber fs lasers easy to use and hassle free. The Carmel offers user-friendly front panel control knobs for flexible system adjustment. The pulse width is less than 100 fs with a negligible pedestal.

The repetition rate of this fs laser can be specified from 10 to 50 MHz with a polarization-maintaining (PM) output and excellent beam quality, with an M2 < 1.2. Excellent pulse-to-pulse stability (<1% rms) combined with a clean spectrum and clean pulses over a wide operating temperature range (17-32°C) provides superior results for both laser microscopy imaging and tissue ablation in biomedical applications. An RF synchronization output is provided as a trigger signal.

For multiphoton spectroscopy applications, the Carmel offers ideal performance to optimally image tissue with less scatter and lowered risk of tissue damage. The compact size and fiber delivery simplifies implementation by eliminating costly redesign of delivery optics and by easily integrating within existing microscopes for multiphoton imaging.

Calmar’s operation is based upon the company’s proprietary passive mode-locking technology, which ensures reliable startup and stable long term performance. Carmel high power, fiber-based femtosecond lasers are easy to use, allowing you to focus on the job at hand, and not on the laser being used.

Central Wavelength (nm) 780 1550
Pulse Width1 (fs) < 80 < 90
Average Power (W) > 0.5 0.5 - 2.5
Pulse Energy (nJ) >10 50
Nominal Repetition Rate (MHz) 10 - 80 10 - 80
Polarization Extinction Ratio (dB) > 25 > 18
Beam Diameter (mm) 0.5 0.5
Beam Quality (M2) <1.2 <1.1
Cooling Air cooled Air cooled
Laser Head Dimensions (cm) 4.1(w)x12.8(d)x3(h) 4.1(w)x12.8(d)x3(h)
Warm up time 10 minutes (typ) 10 minutes (typ)

Key Carmel Applications Include:

  • Multiphoton microscopy
  • Laser spectroscopy
  • Multiphoton imaging (MPI)
  • Biophotonics
  • Optical coherent tomography
  • Materials characterization
  • Terahertz radiation
  • Optical metrology
  • Non-linear optical studies
  • Ti:Sapphire oscillator

1 A sech2 pulse shape (convolution factor of 0.65) is used to determine the pulse width for the second harmonic autocorrelation trace.

Due to our continuous improvement program, specifications are subject to change without notice

Other Calmar products used for multiphoton microscopy and laser spectroscopy include:

Cazadero (FLCPA Series) High pulse energy fiber based femtosecond laser with:

  • Up to 30 µJ pulse energy @1030 nm
  • 370 fs – 20 ps pulse width (adjustable)
  • 120 kHz - 1 MHz repetition rate (selectable)

Mendocino (FPL Series) Femtosecond fiber seed lasers with:

  • 0.5 – 50 mW average power for most models
  • 0.1 – 10 ps pulse width for most models
  • 10 - 100 MHz repetition rate for most models
  • Available in 780 nm, 1030 nm, and 1550 nm

Address: 951 Commercial Street, Palo Alto, CA 94303, USA

Phone: +1 650.272.6980

Fax: +1 650.272.6988

Sales: +1 650.272.6980 x 110

Email: contacts@calmarlaser.com

"Calmar's products have continued to perform well, even after several years, and are much lower maintenance than our other mode-locked lasers"

David J. McCormick