Laser lens pack for DPSS lasers F20 / 30 / 40 / 50 mm focusing lenses (D = 12.7m

Description

Laser lens pack for Nd:YAG 4-10 watt DPSS laser modules (1064 nm)
Adjust your laser beam spot size, focal depth, and focal range by replacing different lenses.
Use Endurance DPSS laser spacer and change laser beam size, focal depth, and focal range.
4 different lenses in our laser lens pack for DPSSL
1) BK7 D=12.7 mm F=20 mm@1064 nm
2)
BK7 D=12.7 mm F=30 mm@1064 nm
3)
BK7 D=12.7 mm F=40 mm@1064 nm
4)
BK7 D=12.7 mm F=50 mm@1064 nm
The lasers operate at TEM00, and cross-section profile of intensity within is beam is Gaussian.
The graphs presented were obtained by calculation using the parameters of a real Gaussian beam.
Laser beam spot (left axis) vs. range from the laser to the lens.
Laser beam spot range: 11-500 um
The laser spot size is the 86% power level of the spot diameter. L1 is the distance from the laser (exit mirror) to the lens. (The spot diameter d (0.86P) is understood to be the diameter within which 86% of the beam power is contained.)
Laser focal range (left axis) vs. range from the laser to the lens.
Laser focal range: 20-150 mm
Laser focal depth (left axis) vs. range from the laser to the lens.
Laser beam spot range: 0.5-700 mm
The depth of focus is the length of the laser waist where the laser beam diverges by less than 2 times.
Where do you need a short focal lens (tiny engraving)
In-depth engraving on aluminum
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