Micro Optics

Precision Micro-Optical Components for Miniaturized Systems

🔷 Ultra-Precision Micro Optics Manufacturing by Yighen

At Yighen Ultra Precision, we specialize in the fabrication of high-performance micro optics, including micro lenses, microlens arrays, diffractive optical elements, and other custom sub-millimeter optical components. Designed for compact imaging, sensing, and illumination systems, our micro optics deliver exceptional surface quality and dimensional accuracy, enabling next-generation innovation in medical, industrial, and consumer applications.

With in-house capabilities ranging from diamond turning to ultra-precision grinding and molding, Yighen serves as your trusted partner for prototype-to-production micro optics manufacturing.

🔶 Types of Micro-Optical Components

We manufacture and customize a broad range of micro optics:

• Micro Lenses (Spherical / Aspheric)
  Diameter: 0.3 mm to 5 mm; ideal for laser collimation, optical fibers, and micro-imaging

• Microlens Arrays (MLAs)
  Square, hexagonal, or cylindrical arrays with custom pitch and radius profiles

• Diffractive Optical Elements (DOEs)
  For beam shaping, splitting, and phase modulation applications

• Micro Prisms / Beamsplitters
  Customized for integration in miniature optical paths

• Custom Geometries
  Lenslets, Fresnel structures, and hybrid freeform micro-optics

🛠️ Manufacturing Capabilities & Equipment

Yighen’s dedicated micro optics production line leverages sub-nanometer diamond turning, ultra-precision grinding, and optical micro-molding, delivering exceptional accuracy at miniature scales.

Key Parameters

• Diameter: 0.3 mm – 5 mm

• Surface roughness: Ra ≤ 2.0 nm

• Form accuracy: P-V ≤ 0.1 μm

• Array uniformity: < ±1 μm

• Edge chamfer: available for integration

Equipment Highlights

• Toshiba ULC-100F(S): Pv 0.01μm / Ra 0.001μm

• NanoTech 250 / 650 FG: 0.01nm linear resolution

• NanoForm 200: Ra 2 nm for glass and polymer

• Ultra-Precision Molds: crafted in tungsten steel or optical glass

• Cleanroom micro-molding (Dongguan facility): ideal for high-volume polymer replication

🧪 Micro Optics Applications

✅ Why Choose Yighen for Micro Optics?

• 🛠️ High-precision in-house fabrication

• 💡 Support for both custom one-offs and mass replication

• 📏 Advanced optical metrology for sub-micron validation

• 🔬 Expertise in both glass and polymer micro optics

• 🚀 Rapid prototyping with 7–10 day turnaround

• 🌍 Global delivery with consistent optical performance

📦 Materials We Work With

• Glass: BK7, fused silica, B270, CaF₂, MgF₂, E48R

• Optical Plastics: PMMA, COP, PC, APEL, OKP-1, MR-series, ZEONEX®, TOPAS®

• Hybrid Substrates: Metal-plated molds for custom shaping or overmolding

All materials are selected based on optical clarity, thermal stability, and replication fidelity.

❓ Frequently Asked Questions

Q: Can Yighen produce sub-millimeter lenses for fiber alignment?
A: Yes, we can manufacture spherical and aspheric micro lenses down to 0.3 mm diameter with high NA and precision centering.

Q: Do you provide injection molding for polymer microlens arrays?
A: Absolutely. Our Dongguan-based factory is equipped with cleanroom molding machines and custom mold fabrication lines for volume micro optics.

Q: What tolerances can you achieve on microlens arrays?
A: We routinely achieve surface form P-V ≤ 0.1 μm and array placement accuracy within ±1 μm.

🔬 Miniature Optics, Maximum Precision

Yighen specializes in custom micro-optics for compact systems — including microlenses, micro-prisms, lens arrays, and diffractive optical elements (DOEs).
These components are manufactured using ultra-precision diamond turning, molding, and hybrid fabrication technologies, supporting telecom, AR/VR, biomedical, and sensor applications.

We deliver optics down to sub-millimeter scale, with submicron alignment tolerances and surface roughness <5 nm.

🔵 Request a Micro Optics Quote or Sample Evaluation
📩 Tell us your material, dimensions, and optical function — we’ll provide a tailored response within 24 hours.

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Need material options or replication advice for volume production?
📄 Download Our Micro Optics Capability Sheet

Interested in our tooling, array alignment, or ultra-thin lens formats?
👤 Learn More About Yighen

🔗 Related Content

• 🛠 Precision Optical Molding
  Injection molding of micro-optics in COP, PMMA, PC, and high-index materials.

• ✨ Freeform Optics
  Freeform micro-optics for compact beam shaping and non-rotational systems.

• 📏 Optical Metrology & Testing
  Surface profiling and alignment testing for lenslet arrays and DOEs.

• 🧱 Optical Assembly & Lens Modules
  We integrate micro-optics into custom modules for imaging, sensing, and light projection.