Femtosecond Laser Processing Equipment –Gen 2

Femtosecond laser direct writing of fiber Bragg gratings (FBG), optical waveguides, TPP printing, multiphoton polymerization additive manufacturing, etc.

  1. Supports complex vector graphics (DXF) and standard 2D import, editing, filling, and array processing.
  2. Supports three-axis linked spatial curve machining; software includes a spiral line planning submodule.
  3. Supports STL 3D graphic import and JPG, TIF 2D graphic import.
  4. Supports single-axis PSO.

Standard system components:

  • Imported negative pressure sample unit/non-negative pressure sample unit (with optical fiber holder).
  • 4F transmission optics and mechanical components.
  • Machine vision (coaxial/non-coaxial).
  • Software power control (optional real-time power detection).
  • Polarization conversion (manual/automatic).
  • Vortex vector light field modulation.
  • Automated integration of power attenuation and polarization modulation modules.

Solid femtosecond laser, dual frequency

  • output wavelength: 1030 nm±10nm,2H Acousto-Optical Modulator (AOM)
  • * Max monopulse energy: ≥ 83 μJat 60 kHz (fundamental frequency output);
  • * Average power: ≥5W;
  • * Pulse width: <250 fs;
  • Pulse Width Tuning range: 250fs-10ps
  • # Power Stability:<0.5%@100h
  • # Optical quality TEM00 M2<1.2 TEM00,M2< 1.3 (2H)
  • Adjustable repetition rate: monopulse -1 MHz;
  • # Pointing stability: <20 urad/” C.
  • Customized Biburst burst mode, GHz mode.

XYZ positioning system

  • a)XYZ stroke 100x 100x 20mm. ( Z-axis air float)
  • b) Positioning accuracy measured data: right
  • c) Repeatability XY s± 150nm, Z axis s±300nm
  • d) Straightness/runouts+/-2μm
  • e) Maximum speed XY ≥ 300mm/s, Z≥ 50mm/s
  • f) Maximum load 5KG.
  • g) Manual pitch adjustment platform with auxiliary leveling program.

Machine Vision System & Automatic Focusing

a) Coaxial microscope observation system, enabling real-time observation of the laser processing status. Adjustable illumination intensity.


b) Switchable laser dichroic mirror for easy calibration of the laser spot.

c) 6M color camera, 3072×2048 pixels, 2.4µm pixel size, exposure time 0.11ms-12s, maximum 41fps.


d) Automatic focusing in the Z-axis.


e) Second Z-axis: travel range 50mm, repeat positioning accuracy ±1µm, load capacity 10kg.

Objective wheel, objective group

  • Features:
  • Five-hole objective rotating frame with adjustable center (electric adjustment optional)
  • Imported Mitutoyo objective lens set:
    • 5X, NA0.15, working distance ≥ 40mm (not included)
    • 10X, NA0.3, working distance ≥ 30mm (UV only, not included)
    • 20X, NA0.45, working distance ≥ 15mm
    • 50X, NA0.65, working distance ≥ 9mm
  • IOOXNA 0.5 WD 0.2mm (optional, already included)
  • Under the 50X objective, the laser focus coincides with the microscope imaging focal plane.
  • Under 50X, laser focal spot <1 μm.

SLM and cylindrical lenses

  • Imported Holoeye SLM (515nm) from Germany, water-cooled
  • ThorLabs cylinder lens

Software

a) The software meets the basic processing parameter adjustment requirements: the main interface allows direct adjustment of movement distance and speed; high-resolution camera integration is included in the same interface to monitor the processing status in real time.

b) Supports at least four basic shape processing paths (line, circle, ellipse, rectangle) and array generation functions.

c) Supports complex vector graphics (DXF) and regular 2D imports, editing, filling, and array processing.

d) Supports three-axis linkage space curve processing, with a submodule for spiral line planning.

e) Supports importing STL 3D graphics, as well as JPG and F 2D graphic imports.

f) Uniaxial supportPSO。

Marble Gantry

  • The optical path is mounted on an optical vibration isolation platform to ensure stability during operation and block external interference. The optical system is structured on a marble gantry to prevent drift and vibration.
  • Fully shielded protective cover to ensure optimal laser shielding during processing, in compliance with safety standards.

Sample Stage Holder (Optional)

  • Manual three-dimensional adjustment stage, supports pitch, tilt, and rotation for fiber calibration in three directions.
  • Ensures that the fiber installation is aligned with the motion axis and remains in focus during movement.
  • Supports transmission fiber clamping, clearly displaying the fiber profile.
  • Imported negative pressure adsorption substrate is available as an optional upgrade, featuring a patented natural uniform porous material with a customized base. An additional cost of 10,000 yuan applies for customization. The small sample stage with fully black optical characterization and a wear-resistant stage with hard alloy doping can also be customized.