Glass Thickness Compensation Near Ultra-violet Objective Lenses / PAL-NUV-LC
his objective lens can be used for laser machining using pulsed laser of THG (355nm) YAG laser. Its glass-thickness- compensation optical design makes it possible to realize an ideal beam spot size and quality even if it was processed thorough a cover glass.
Two kinds objective lenses are available. They are designed to correct aberration depending on the thickness of cover glass. (t= 0.7 mm and 1.1 mm)With its long working infinity correction function; this objective lens can be used for a laser system and coaxial observation.
This objective lens can be used with a pulse laser of visible light (532nm).
Laser Damage Threshold 0.05 J/cm2 (355nm), 0.1J/cm2 (532nm)
(Laser pulse width: 10ns, repetition frequency: 20Hz)
Specifications
| Part Number | Item Name | Glass thickness | 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 device 1/2-inch) |
Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|
| PAL-10-NUV-LC07 | LCD PlanApo NUV 10x | 0.7mm | 10x | 20mm | 0.28 | 30.72mm | 0.98μm | ±3.5μm | φ2.4mm | 0.48×0.64mm | 0.27kg |
| PAL-20-NUV-LC07-B | LCD PlanApo NUV 20x | 0.7mm | 20x | 10mm | 0.4 | 17.63mm | 0.69μm | ±1.7μm | φ1.2mm | 0.24×0.32mm | 0.35kg |
| PAL-50-NUV-LC07-A | LCD PlanApo NUV 50x | 0.7mm | 50x | 4mm | 0.45 | 15.05mm | 0.61μm | ±1.4μm | φ0.48mm | 0.10×0.13mm | 0.36kg |
| PAL-100-NUV-LC07-A | LCD PlanApo NUV 100x | 0.7mm | 100x | 2mm | 0.57 | 11.17mm | 0.48μm | ±0.8μm | φ0.24mm | 0.05×0.06mm | 0.39kg |
| PAL-10-NUV-LC11 | LCD PlanApo NUV 10x | 1.1mm | 10x | 20mm | 0.28 | 30.85mm | 0.98μm | ±3.5μm | φ2.4mm | 0.48×0.64mm | 0.27kg |
| PAL-20-NUV-LC11-B | LCD PlanApo NUV 20x | 1.1mm | 20x | 10mm | 0.4 | 17.78mm | 0.69μm | ±1.7μm | φ1.2mm | 0.24×0.32mm | 0.35kg |
| PAL-50-NUV-LC11-A | LCD PlanApo NUV 50x | 1.1mm | 50x | 4mm | 0.45 | 15.01mm | 0.61μm | ±1.4μm | φ0.48mm | 0.10×0.13mm | 0.36kg |
| PAL-100-NUV-LC11-A | LCD PlanApo NUV 100x | 1.1mm | 100x | 2mm | 0.57 | 11.13mm | 0.48μm | ±0.8μm | φ0.24mm | 0.05×0.06mm | 0.39kg |
| PAL-50-NUV-HR-L-LC07-B | LCD PlanApo NUV HR 50x | 0.7mm | 50x | 4mm | 0.65 | 9.3mm | 0.42μm | ±0.7μm | φ0.48mm | 0.10×0.13mm | 0.5kg |
| PAL-50-NUV-HR-L-LC11-B | LCD PlanApo NUV HR 50x | 1.1mm | 50x | 4mm | 0.65 | 9.83mm | 0.42μm | ±0.7μm | φ0.48mm | 0.10×0.13mm | 0.5kg |
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