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Double-Concave Cylindrical Lenses
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Double concave cylindrical lenses feature two concave cylindrical surfaces with negative optical power, designed to divert light in one axis while leaving the orthogonal axis unaffected. Ideal for laser beam expansion, anamorphic correction, line illumination, and industrial metrology. Custom materials, coatings, and dimensions available.
Parameters
Specification
Material
Optical Glasses, Fused Silica, Sapphire, Infrared Material, etc.
Dimension Range
0.5 ~ 350mm
Dimension Tolerance +/-0.01mm Focal Length Tolerance +/-1% PV λ/10 Surface Quality 20-10 Centration ≤30‘’ Clear Aperture > 90% of diameter Bevel 0.2mm × 45° Coating As customer's request The Applications of Achromatic Cylindrical Lens
Laser Beam Expansion & Shaping
- Beam expanders: Works with convex lenses in Galilean designs to expand laser beams (e.g., 450 nm, 520 nm, 650 nm, 905 nm, 1064 nm) for uniform illumination.
- Diode laser anamorphic correction: Compensates for elliptical beam profiles and astigmatism in laser diodes.
- Line beam generation: Creates wide, uniform laser lines for 3D scanning and machine vision.
Industrial Inspection & Metrology
- Barcode & QR scanning: Broad line illumination for high speed, large field code reading.
- Linear sensor illumination: Uniform lighting for CCD/CMOS line sensors in web inspection and solar cell testing.
- Machine vision: Wide area structured light for defect detection and dimensional measurement.
Optical System Design & Aberration Correction
- Optical compensation: Balances positive power in multi lens systems to correct field curvature and spherical aberration.
- Relay optics: Increases effective focal length in projection and imaging systems.
Scientific Research & Advanced Optics
- Spectroscopy: Broad slit illumination for UV–Vis–IR spectral analysis.
- Holography & optical computing: Uniform beam expansion for holographic recording and spatial light modulation.
- Laser beam delivery: Widens beams for low fluence, large area irradiation.
Medical & Biophotonics
- Diagnostic imaging: Line illumination for endoscopic and ophthalmic imaging systems.
- Dental & aesthetic lasers: Broad beam delivery for soft tissue treatment and skin resurfacing.
- Beam expanders: Works with convex lenses in Galilean designs to expand laser beams (e.g., 450 nm, 520 nm, 650 nm, 905 nm, 1064 nm) for uniform illumination.
Double-Concave Cylindrical Lenses
Still deciding? Get samples first, Contact US !
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