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Ultrafast Laser System Components

Early on, TeraXion recognized the emerging importance of ultrafast lasers also known as ultrashort pulse lasers for industrial and medical applications. To address this need, TeraXion has developed a line of high-quality pulse stretchers and dispersion management reflectors that are robust, cost-effective, and versatile.

Ultrafast lasers are a unique tool for modern material processing of electronics, precision automotive parts, and medical components. These lasers generate extraordinarily high peak power, and the highly-localized energy enables cold ablation machining with high accuracy and high-aspect ratio. The high peak power also enables ultrafast pulses to interact with any material, including low-absorption and transparent media.

The design of a high-energy ultrafast laser begins with the selection of quality components. Ultrafast lasers must be cost-effective while also meeting stringent operational requirements:

  • Robust: 24/7 operation in a manufacturing environment
  • Versatile: Tunable pulse duration, repetition rate, energy, average power
  • Reliable: Consistent pulse quality
  • Compact: For space-constrained manufacturing equipment

Although mode-locked oscillators are capable of creating ultrashort pulses, the resulting energies are generally insufficient for advanced manufacturing applications. The pulses must be amplified to reach the required energy levels using a technique called chirped-pulse amplification.

René Dionne
René Dionne
Product Line Manager
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Pulse Stretching and Compression

Ultrashort pulse amplification is challenging because even low-energy pulses exhibit sufficient peak power to damage the amplifier. Stretching the pulse over time reduces its peak power and allows for optimal amplification without distortion—further stretching enables higher amplification. Recompressing the pulse following amplification returns it to its original ultrashort duration with significantly increased peak power—often in the gigawatt range. TeraXion’s line of ultrafast laser components maximizes both performance and cost effectiveness. These products include fixed and tunable pulse stretchers as well as stretcher+compressor matched pairs.

Dispersion Management

Most industrial pico- and femtosecond laser systems utilize mode-locking to generate ultrashort pulses. The challenge with mode-locking is that the process requires a broad frequency band, but all the different wavelengths must maintain a defined phase relation as the pulse propagates within the cavity. TeraXion’s all-fiber dispersion-management reflectors provide precise control over the chromatic dispersion within the laser cavity, ensuring stable and short pulses.

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TeraXion's capacity to transform complex technologies into innovative components is unmatched.

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