ZOLIX OLB Series Plano-Convex Lenses
| Brand | ZOLIX |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Product Origin | Domestic (China) |
| Model Series | OLB |
| Component Category | Optical Lens (Not Light Source) |
| Material Options | K9 Optical Glass (BK7) or UV Fused Silica |
| Surface Quality | 40–20 scratch-dig |
| Focal Length Tolerance | ±2% EFL |
| Diameter Tolerance | +0.0 / –0.1 mm |
| Center Thickness Tolerance | ±0.2 mm |
| Coating | Uncoated (Optional AR Coating Available per Request) |
| Available Diameters | 12.7 mm, 20 mm, 25 mm, 25.4 mm, 38.1 mm, 50 mm, 50.8 mm |
| Available EFLs | 25.4 mm to 500 mm |
Overview
ZOLIX OLB Series Plano-Convex Lenses are precision-engineered spherical optical components designed for collimation, focusing, and beam shaping in visible and near-UV spectral ranges. Based on first-order paraxial optics and optimized for infinite conjugate configurations, these lenses feature a flat surface on one side and a convex spherical surface on the other—minimizing spherical aberration when imaging at infinity or transforming collimated light into a focused spot. Constructed from high-homogeneity K9 optical glass (equivalent to Schott BK7) or UV-grade fused silica, each lens undergoes strict metrological validation per ISO 10110–3 standards for surface form accuracy, transmitted wavefront error (TWE), and centration. The plano-convex geometry ensures optimal performance in applications such as laser line generators, fiber coupling, interferometric reference arms, and illumination systems where axial symmetry and low off-axis distortion are critical.
Key Features
- High-precision spherical surfaces with RMS surface irregularity ≤λ/4 @ 633 nm (typical)
- Material options: K9 (BK7) for 350–2000 nm range; UV fused silica for extended transmission down to 185 nm
- Standard uncoated finish; optional broadband anti-reflection (BBAR) coatings available for 400–700 nm, 700–1100 nm, or custom bands
- Consistent edge thickness control enabling reliable mounting in kinematic lens holders and SM-threaded lens tubes
- Compliant with ISO 10110–1 (drawing notation), ISO 10110–2 (surface imperfections), and ISO 10110–7 (centering tolerances)
- Traceable calibration documentation provided upon request for GLP/GMP environments
Sample Compatibility & Compliance
The OLB series supports integration into modular optical benches (e.g., Thorlabs, Newport), OEM laser subassemblies, and educational lab kits. All lenses meet RoHS Directive 2011/65/EU and REACH Annex XVII requirements. For regulated applications—including clinical instrumentation, semiconductor inspection tools, or aerospace sensor calibration—the lenses can be supplied with full material certification (mill test reports), batch-specific interferometric verification data, and optional 21 CFR Part 11–compliant digital traceability logs. No hazardous substances are introduced during polishing or cleaning processes; final rinsing employs ultra-pure deionized water (resistivity ≥18.2 MΩ·cm) and class-100 cleanroom handling.
Software & Data Management
While inherently passive optical elements, ZOLIX provides downloadable Zemax OpticStudio-compatible .ZMX files and CODE V prescription data for all standard OLB models via its technical support portal. Each delivered lens is accompanied by a unique serial-numbered PDF datasheet listing measured focal length (via autocollimation), surface flatness (verified by Fizeau interferometry), and centering deviation (measured using a precision optical axis finder). For volume procurement under quality agreements, customers may request SPC charts (X̄–R control charts) and Cpk analysis reports aligned with ISO 9001:2015 clause 8.5.1.
Applications
- Laser beam expansion and collimation in DPSS and diode laser systems
- Objective elements in low-magnification microscopy and machine vision illumination paths
- Focusing optics in spectrometer entrance slits and monochromator output couplers
- Reference optics in Michelson and Mach–Zehnder interferometers
- Educational demonstrations of Gaussian beam propagation and ABCD matrix formalism
- UV-curable resin exposure systems requiring deep-UV transmission stability
FAQ
Are OLB lenses suitable for high-power laser applications?
Yes—when specified with UV fused silica substrate and optional high-LIDT dielectric coatings, OLB lenses support CW laser power densities up to 500 MW/cm² at 1064 nm (ISO 21254–1 tested). K9 variants are rated for ≤10 MW/cm² unless AR-coated.
Can I request custom focal lengths or diameters outside the standard OLB catalog?
Absolutely. ZOLIX maintains full CNC grinding, polishing, and metrology capabilities for non-standard dimensions, including aspheric modifications and cemented doublets. Lead time for custom orders is typically 4–6 weeks.
Do you provide mounting solutions or lens cells compatible with OLB dimensions?
Yes—standard SM1 (1.035″-40) and SM2 (2.035″-40) threaded lens tubes, retaining rings, and kinematic mounts are available separately. Custom cell designs (e.g., anodized aluminum housings with thermal expansion compensation) can be co-engineered.
Is there batch-to-batch consistency in focal length tolerance?
Yes. Process capability studies confirm Cpk ≥1.67 across all production lots. Every lens undergoes 100% focal length verification using a NIST-traceable auto-collimator system calibrated annually per ISO/IEC 17025.
What documentation accompanies shipped lenses?
Each unit ships with a serialized test report containing measured EFL, surface quality (per ISO 10110–2), centration error, and transmitted wavefront error (PV and RMS). Full QA records are retained for 10 years per ISO 9001 retention policy.
