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The development status of picosecond laser

The development status of picosecond laser

This article describes the current state of the picosecond laser

The development status of picosecond laser

This article describes the current state of the picosecond laser

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The first application of picosecond laser in mass production, The Photonics West 2005, was reported.1 for 20ps pulse durationμJ's pulse is focused on a thin steel foil, and a series of concentric rings are removed in the direction of the pulsed beam.Different concentric rings form a disc, different discs that remove material form a conical hole that acts as a nozzle for ink injection in a professional, high-quality print head.

Over the past few years, most laser manufacturers have focused on the development of picosecond laser.These picosecond laser require a sophisticated CPA technique to maintain peak power density within an amplification step at a certain damage threshold.In this way, pulse energy at the mJ level can be generated, but the repetition rate is limited to a few KHZ.

By comparison, hundred μJ high pulse energy is beneficial for drilling or cutting thick materials.An example is the drilling of injecting nozzles into a diesel engine, where 1 mm thick plate material has to be precisely punched so that no further cleaning is required.

A company developed a picosecond laser for this application.This picosecond laser's laser system does not require CPA technology because its pulse time is in the picosecond range.The laser working substance Nd:YVO4 allows direct pumping with a laser diode, resulting in high pulse energy and high repetition frequency.The average power output of a picosecond laser laser system is 10W at 10ps with a pulse duration of 1064 nm. Its laser beam is close to the diffraction limit and can be well focused.

 

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Beijing Super laser Technology Co., Ltd.

Beijing Super laser Technology Co., Ltd.
Beijing Super laser Technology Co., Ltd.

Beijing Superlaser Technology Co., Ltd

 

 

Professional  Aesthetics & Medical Laser Euipment Manufacturer. FDA/Medical CE/TUV / ISO13485 Approved. 11-Year Experience in OEM/ODM Servive.

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