3-Wavelengths Objective Lenses / PFL-UV/NUV-AG

This objective lens can be used for laser machining using pulsed laser of SHG (532nm), THG (355nm), and FHG (266nm) YAG laser. Objective lense provides high transmittance at three harmonic wavelengths of YAG.

With its long working distance and corrected field curvature, its natural observation image is obtained to the periphery of viewing the field.
It is the long working infinity correction function that is used to introduce a laser system and coaxial observation.
It allows observation of the sample with visible light (400 – 500nm).
Laser Damage Threshold (Typical) 0.09 J/cm2 (266nm), 0.1J/cm2 (355nm), 0.2J/cm2 (532nm)
(Laser pulse width 10ns, repetition frequency 20Hz)


 

Specifications

Part Number Item name Magnification Focal length NA Working Distance
WD
Resolution
(λ=550nm)
Focal Depth
(λ=550nm)
Real field of view
(Eyepiece φ24mm)
Real field of view
(Imaging device1/2-inch)
Weight
PFL-10-UV/NUV-AG Plan UV/NUV 10x 10x 20mm 0.20 13.5mm 1.38μm ±6.9μm φ2.4mm 0.48×0.64mm 0.30kg
PFL-20-UV/NUV-AG-A Plan UV/NUV 20x 20x 10mm 0.36 15.07mm 0.76μm ±2.1μm φ1.2mm 0.24×0.32mm 0.35kg
PFL-50-UV/NUV-AG-A Plan UV/NUV 50x 50x 4mm 0.42 12.0mm 0.65μm ±1.6μm φ0.48mm 0.10×0.13mm 0.41kg
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