
Ultra Short Pulse Motorized HP
Zoom Beam Expanders
Features:
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Diffraction limited performance
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>Ø4.5 mm beams
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​Expansion range 1x-4x
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343, 355, 515, 532, 1030, 1064 nm
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Sliding lens design
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<200 µrad beam wander
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Lenses made from fused silica
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No internal foci
LIDT:
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>25 J/cm² @ 1064 nm, 10 ns, 100 Hz
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>10 J/cm² @ 532 nm, 10 ns, 100 Hz
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>5 J/cm² @ 355 nm, 10 ns, 100 Hz
Standard items
Description
Motorized beam expander features x1 to x4 range, that can be continuously zoomed along the range. Product is available for 1-st, 2-nd & 3-rd harmonics of both Neodymium and Ytterbium laser lines. Divergence adjustment solution is embedded in the system to allow for smooth and fine divergence adjustment compensation, which is crucial in laser machining process fine-tuning.
Expander is designed to comply strict stability, longevity, and robustness requirements that are inflicted by industrial lasers applications, which makes it suitable for both – industrial and demanding scientific use.
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The main features of the product:
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System lifetime >2.5M cycles
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Diffraction limited performance for ≥Ø4.5 mm beam in whole expansion range even at λ=343 nm
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Ability to sustain high laser beam energy, therefore extend laser system uptime
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Collimation is maintained during zooming
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Only 7.5mm on-axis dielectric thickness makes sure device introduces minimum GDD (Group Delay Dispersion).O
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Compatible with 50 fs and shorter pulses
The product is available for all 3 harmonics – IR, GREEN & UV for both – Neodymium and Ytterbium lasers.
Divergence adjustment mechanism provides smooth and fine divergence adjustment compensation, and fine is crucial in laser machining process fine-tuning.
Beam expander expander is designed to comply strict stability, longevity, and robustness requirements imposed by industrial lasers applications, which makes it suitable for both – industrial and demanding scientific use.
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It is advised to consider high power beam expander design if average power exceeds the following values:
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1st harmonic >100W;
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2nd harmonic >50W;
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3rd harmonic >10W.
LIDT in ns regimes:
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>25 J/cm² @ 1064 nm, 10 ns, 100 Hz
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>10 J/cm² @ 532 nm, 10 ns, 100 Hz
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>5 J/cm² @ 355 nm, 10 ns, 10 Hz
LIDT with ultrafast pulses:
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>3.7 J/cm² @ 1030 nm, 10 ps, 10 kHz
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>1 J/cm² @ 515 nm, 10 ps, 10 kHz
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>0.5 J/cm² @ 343 nm, 1 ps, 1 kHz