Fiber optic processing

Fiber optic processing_FGDFocused on femtosecond fiber grating processing, with graphic processing capabilities. The equipment is equipped with a kilometer level fiber optic automatic retraction and processing device, which supports kilometer level fiber optic grating processing. The types of processed gratings cover all mainstream types of gratings in the market.

Fiber optic processing_FGDconfiguration parameters

Femtosecond laser:

1) Average power: 20W/10W/6W

2) Repetition frequency: 1Hz~1MHz adjustable

3) Minimum pulse width:<300fs

4) Maximum single pulse energy: 200 μ J @ 1KHz, 1030nm (other modes are optional)

5) Center wavelength: 1030nm

6) Second harmonic output wavelength: 515nm

7) Triple frequency output wavelength: 343nm (optional)

Optical system:

1) Energy regulator: regulating range covers 0.5%~99%

2) Lighting module: Reflection Kohler lighting/Transmission Kohler lighting

3) Imaging camera: greater than 5 million pixels

4) Objective lens: 60 x oil immersion objective lens, 20 x air objective lens. (Other objective lenses are optional)

5) Optional functional modules: scanning galvanometer, spatial light modulator, focal plane automatic tracking module, two-dimensional electric slit

Multi functional worktable:

1) Three point two-dimensional leveling: single point adjustment range ≥ 5mm; single point adjustment resolution ≤ 50nm

2) Large area sample processing station: transparent glass adsorption table, supporting 4-inch sample processing

3) Fiber Bragg Grating Processing Station: Effective Processing Range, Greater than 10mm

4) Optional functional modules: fiber optic rotator, fiber optic stress monitor

High precision displacement table:

1) X/Y/Z three-axis travel: ≥ 200mm × 200mm × 20mm

2) X/Y/Z axis positioning accuracy: ≤± 300nm

3) X/Y/Z axis bidirectional repeatability accuracy: ≤± 100nm

4) Maximum displacement velocity: ≥ 100mm/s (X/Y axis), ≥ 50mm/s (Z axis)

Structural framework:

1) Marble Longmen Structure

2) Passive air flotation vibration isolation

Automatic fiber winding machine:

1) Roll length:>5km

2) Fiber winding speed: 0.5m/s

3) Tension control accuracy:<0.5g

4) Meter accuracy:<2 ‰

5) Automatic alignment accuracy:<1 μ m

2. Processing parameters:

Surface processing feature line width: ＜ 200nm

Waveguide processing loss:<0.5dB/cm

Fiber Bragg Grating Processing Reflectance: Adjustable from 0.001% to 90%

Fiber Bragg Grating Processing Edge Mode Suppression Ratio: ＞ 18dB

Typical 3db bandwidth for fiber Bragg grating processing: 0.2nm

Wavelength deviation of fiber Bragg grating machining center: ≤± 0.3nm