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Precision Optical Components & Crystals

DIT Optics Co., Ltd is a leading manufacturer and innovator of high-quality optical components, crystals, and laser optics in China. Trusted by industries worldwide for precision, reliability, and competitive pricing.

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About DIT Optics

DIT Optics Co., Ltd is a professional manufacturer and inventor of high-quality optical components and crystals in China. With over a decade of experience, our team of experts in optics, opto-electronics, and crystal engineering has built a reputation for excellence, innovation, and customer-focused solutions.

We specialize in optical components, substrates, crystals, laser optics, and custom coatings. Our products are widely used in industrial automation, construction, consumer electronics, medical devices, and advanced laser systems.

10+
Years Experience
Global
Customer Base
Precision
Quality Control
DIT Optics Factory
"Quality wins market" – Our core belief since day one.

Our Products

High-precision optical components and crystals engineered for performance, durability, and reliability across industries.

Right Angle Prisms

Right Angle Prisms

High-precision prisms made from BK7 or fused silica, ideal for beam steering and imaging systems.

  • • Material: BK7, Fused Silica
  • • Angle Tolerance: ±2 arcmin
  • • Surface Flatness: λ/4
  • • Coating: Optional AR
BK7 Windows

BK7 Windows

Optical windows with excellent transmission in visible and near-IR spectrum.

  • • Material: BK7 Glass
  • • Diameter: 5–100mm
  • • Thickness: 1–10mm
  • • Surface Quality: 40-20
KTP Crystals

KTP Crystals

Potassium Titanyl Phosphate (KTP) for frequency doubling in laser systems.

  • • Type: Type II, Non-Critical Phase Matched
  • • Aperture: 3x3 to 6x6 mm
  • • AR Coating: 1064nm & 532nm
  • • Application: Nd:YAG Lasers
AYG Crystals

AYG Crystals

Aluminum Yttrium Garnet crystals for high-power laser applications.

  • • High Thermal Conductivity
  • • UV to IR Transmission
  • • Custom Doping Available
  • • Polished Faces: λ/10
Custom Substrates

Optical Substrates

Precision substrates for coatings and thin-film applications.

  • • Materials: Fused Silica, Sapphire, Si, Ge
  • • Sizes: Custom
  • • Surface Flatness: λ/10
  • • Polish: Super Polish Available
Laser Optics

Laser Optics

Mirrors, lenses, and beam splitters for high-power laser systems.

  • • High Laser-Induced Damage Threshold
  • • Coatings: HR, AR, Partial Reflectors
  • • Wavelengths: UV to IR
  • • Custom Designs Supported
AR/HR Coatings

Optical Coatings

Anti-reflective, high-reflective, and custom thin-film coatings.

  • • Wavelength Range: 200–2000nm
  • • Multi-layer Dielectric Coatings
  • • Durability: MIL-C-675
  • • Low Scatter & Absorption
Custom Optics

Custom Solutions

Tailored optical components based on your design and specifications.

  • • Prototyping & Volume Production
  • • CAD & Optical Design Support
  • • Fast Turnaround
  • • NDA & IP Protection

Why Choose DIT Optics?

🔍

Precision Engineering

Every component is manufactured with strict tolerances and inspected under ISO-level quality control.

🌍

Global Reach

Trusted by customers in North America, Europe, and Asia with reliable shipping and support.

💼

Expert Support

Our R&D and sales team provides technical guidance and fast response to your optical design needs.

10+
Years in Industry
500+
Products Delivered
30+
Countries Served
99.8%
Customer Satisfaction

Frequently Asked Questions

Q: How to order?

You can contact our sales team via email at [email protected] with your product specifications, quantity, and any technical requirements. We will provide a quotation and guide you through the ordering process.

Q: What information should I include in my inquiry?

Please include material type, dimensions, coating requirements, quantity, and application. CAD files or drawings are highly recommended for custom parts.

Q: What are your payment, quotation, and shipment terms?

We accept T/T, PayPal, and Western Union. Quotations are typically provided within 24 hours. Shipment options include DHL, FedEx, and sea freight depending on order size and destination.

Q: Do you offer warranty and return policy?

Yes, all our products come with a quality guarantee. In case of defects or non-conformance to specifications, we offer replacement or refund upon verification. Please contact us within 14 days of receipt.

Get in Touch

Have questions or need a quote? We’re here to help.

Phone: +86(0)591 83535525
Fax: +86(0)591 83535525
Email: [email protected]
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