Band Optics manufactures precision optical components and custom optical assemblies for laser, infrared, imaging, semiconductor, medical, aerospace, defense, industrial inspection, and scientific applications. From optical glass and fused silica to sapphire, ZnSe, ZnS, CaF2, silicon, MgF2, and BaF2 materials, we support precision fabrication, coating design, inspection, prototyping, and volume production.

CUSTOM OPTICAL COMPONENTS AND PRECISION OPTICS MANUFACTURING

Optical lenses, prisms, windows, filters, mirrors, domes, beamsplitters, coatings, and assemblies for OEM applications

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A RANGE OF SOLUTIONS FOR

Medical & Bio-technology, Laser Technology,
Semiconductor, Aerospace,
Robotics & Automation

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CUSTOM LENS DESIGN & ASSEMBLE

With over 10 years of optical engineering and fabrication experience,
Band Optics can provide you with comprehensive optical solutions from prototype to mass production.

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Optical Products by Category

Explore Band Optics’ core optical product families with material, coating, and tolerance options for custom manufacturing. From individual precision components to optical assemblies, we support OEM and application-specific optical requirements across laser, infrared, imaging, inspection, semiconductor, medical, aerospace, and research systems.

Our Products

Optical Windows

Functions: Protection, transmission, isolation, and system integration
Materials: Optical glass, fused silica, sapphire, silicon, ZnSe, ZnS
Capabilities: Up to 1050 mm; thickness from 0.2 mm; flatness down to PV 1/40λ
Surface & Coating: Surface quality to 10-5; AR coating with R<0.1% available
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Optical Mirror

Functions: Protection, transmission, isolation, and system integration
Materials: Optical glass, fused silica, sapphire, silicon, ZnSe, ZnS
Capabilities: Up to 1050 mm; thickness from 0.2 mm; flatness down to PV 1/40λ
Surface & Coating: Surface quality to 10-5; AR coating with R<0.1% available
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Spherical Lenses

Functions: Focusing, collimation, imaging, laser delivery, and IR applications
Materials: Optical glass, fused silica, ZnSe, ZnS, silicon, germanium, CaF₂, sapphire
Capabilities: Diameters from 1.5–550 mm; flatness down to PV 1/40λ
Surface & Coating: Surface quality to 20-10; AR coating with R<0.1% available
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Aspherical Lenses

Applications: Aberration correction, compact imaging, laser focusing, and instrumentation
Capabilities: Diameters from 2–300 mm; focal lengths from 3–1000 mm
Precision: Surface figure below 0.2 fringes; surface quality to 20-10
Coatings: Custom AR coatings for UV, visible, and NIR wavelengths
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Cylindrical Lenses

Applications: Beam shaping, line generation, laser processing, and optical alignment
Materials: Optical glass, fused silica, and CaF₂
Capabilities: Round and rectangular formats up to 400 × 200 mm
Precision & Coating: Surface figure to λ/8; AR/HR coatings from 0.23–2.6 μm
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Optical Domes

Functions: Optical protection, aerodynamic performance, and environmental sealing
Materials: Sapphire, silicon, SCHOTT glass, Corning glass, and custom substrates
Capabilities: Dimensions from 1–300 mm with controlled concentricity and surface form
Applications: Aerospace, defense, robotics, subsea equipment, and outdoor sensing
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Optical Prisms

Functions: Beam deviation, image rotation, reflection, dispersion, and path control
Types: Right-angle, Dove, penta, Porro, Amici, Littrow, Powell, and custom prisms
Capabilities: Dimensions from 2–300 mm; angular tolerance below 2 arcsec
Surface & Coating: Flatness to PV<1/10λ; AR, blackening, and mirror coatings
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Optical Filters

Types: Bandpass, longpass, shortpass, notch, ND, dichroic, and color glass filters
Applications: Fluorescence, imaging, sensing, laser, and spectral selection
Capabilities: Custom sizes up to 400 mm; bandwidths from 1 nm to 100 nm+
Surface & Coating: Surface quality to 10-5 with custom spectral coating designs
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Optical Beamsplitters

Types: Plate, cube, polarizing, and non-polarizing beamsplitters
Functions: Beam splitting, optical path separation, wavelength control, and polarization management
Capabilities: Plates up to 200 × 200 mm; cubes from 3–75 mm
Optical Options: 175–3200 nm+; standard and custom splitting ratios available
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Infrared Optics

Products: IR lenses, aspheres, windows, domes, beamsplitters, and assemblies
Materials: Chalcogenide glass, ZnSe, ZnS, silicon, germanium, MgF₂, and BaF₂
Capabilities: Diameters from 8–200 mm; surface figure options down to λ/6
Coatings: BBAR, DLC, and custom IR coatings covering 1–14 μm
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Optical Assemblies

Assembly Types: Lens, prism, filter, camera, mounted optic, and IR assemblies
Integrated Optics: Lenses, windows, mirrors, prisms, filters, beamsplitters, and domes
Engineering Support: Material selection, coating design, tolerance analysis, and wavelength matching
Integration Services: Mechanical integration, precision alignment, testing, and OEM customization
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Optical Windows
Optical Mirror
Spherical Lenses
Aspherical Lenses
Cylindrical Lenses
Optical Domes
Optical Prisms
Optical Filters
Optical Beamsplitters
Infrared Optics
Optical Assemblies

DIGITAL SHOWROOM

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Custom Optical Components for Your Specifications

Send us your drawing, sample, material requirement, wavelength range, tolerance target, coating specification, quantity, and application. Our engineering team can review manufacturability and support custom optical windows, lenses, prisms, filters, mirrors, domes, beamsplitters, infrared optics, and optical assemblies from prototype to production.

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Build-to-Print Optical Manufacturing

We manufacture optical components according to customer drawings, samples, specifications, and application requirements.

Material and Coating Review

Our team can help review material selection, wavelength requirements, coating targets, and manufacturability before production.

Prototype and Volume Production

We support prototype development, sample validation, production scaling, inspection, and delivery for OEM projects.

Materials and Manufacturing Capabilities

Band Optics supports a wide range of optical materials including optical glass, fused silica, sapphire, calcium fluoride, zinc selenide, zinc sulfide, silicon, magnesium fluoride, barium fluoride, chalcogenide materials, color glass, Corning 7980, and related optical substrates. Our production capabilities include lapping, polishing, CNC machining, diamond turning, coating, inspection, and optical assembly support for custom and OEM optical projects.

Optical Glass and Fused Silica

Suitable for lenses, windows, prisms, filters, and precision optical components across UV, visible, and NIR applications.

Sapphire and Hard Optical Materials

Used for protective windows, domes, harsh-environment optics, and demanding optical systems.

Infrared Materials

ZnSe, ZnS, silicon, MgF2, BaF2, chalcogenide, and related materials are available for SWIR, MWIR, and LWIR optical applications.

Precision Manufacturing

Our manufacturing processes include grinding, lapping, polishing, CNC machining, diamond turning, coating, inspection, and assembly.

Optical Coating Capabilities

Band Optics provides anti-reflective, high-reflective, beamsplitter, dichroic, fluorescence imaging, hot mirror, cold mirror, infrared, BBAR, and DLC coating solutions for custom optical components. Coating designs can be optimized for UV, visible, NIR, SWIR, MWIR, and LWIR applications.

AR and HR Coatings

Anti-reflective and high-reflective coatings are available for lenses, windows, mirrors, prisms, and laser-related optics.

Beamsplitter and Dichroic Coatings

We support non-polarizing beamsplitter coatings, beamsplitter coatings, longpass dichroic, shortpass dichroic, and multi-band dichroic coating designs.

Infrared and DLC Coatings

Infrared optics can be supplied with BBAR coating @1–14 μm, diamond-like carbon coating @1–14 μm, and beamsplitter coating @3–7 μm.

Broad Wavelength Coverage

Coating wavelengths can support ranges such as 230–1600 nm, 3000–8000 nm, and 10600–14000 nm for UV-VIS-NIR, SWIR-MWIR, and LWIR applications.

Quality Control and Optical Inspection

Precision optics require reliable inspection. Band Optics supports surface form, surface roughness, surface defects, flatness, centration, dimensions, coating performance, BOW/Warp/TTV, water drop angle, and environmental testing. Our inspection resources include interferometry, profilometry, spectrophotometry, centration inspection, microscope inspection, and clean inspection environments to support stable prototype and OEM production.

Surface Form and Flatness Inspection

Interferometry and profiling tools help verify optical surface form, flatness, and wavefront-related parameters.

Roughness and Surface Quality Inspection

Surface roughness, scratches, digs, and cosmetic defects can be inspected to match optical performance requirements.

Centration and Dimensional Inspection

Centration, thickness, diameter, and mechanical dimensions are controlled according to the drawing and product type.

Coating and Spectral Verification

Spectrophotometry and coating inspection support wavelength-related performance validation.

Tolerance and Size Capability for Precision Optics

Band Optics supports different tolerance levels according to component size, optical function, and application requirements. For lenses, diameter ranges from small components below 10 mm to optics above 100 mm can be supported with controlled form error, centration, surface quality, thickness tolerance, and diameter tolerance. For prisms and plates, tighter form error and angular precision can be reviewed according to your drawing and inspection requirements.

1

Lens Tolerance Capability

Lens specifications can be reviewed by diameter range, form error, power, centration, surface quality, thickness tolerance, and diameter tolerance.
2

Prism and Plate Tolerance Capability

Prisms and plates can be manufactured with controlled surface form, angle accuracy, surface quality, thickness tolerance, and diameter or dimensional tolerance.
3

Drawing-Based Review

Final tolerance capability depends on material, size, geometry, coating requirement, inspection method, and application.

Optical Components for Diverse Applications

Band Optics provides custom optical components for laser technology, infrared detection, industrial inspection, defense and aerospace, medical and biotechnology, semiconductor and optoelectronics, robotics and automation, subsea technology, oil and gas, universities and research, and scientific instrumentation. We help customers match optical materials, coatings, tolerances, and component structures to real application environments.

Laser Technology

Precision lenses, mirrors, filters, windows, and coatings for laser alignment, beam shaping, laser surgery, welding, guidance, and laser display systems.
Infrared Detection and Imaging

Infrared windows, lenses, domes, and assemblies for thermal imaging, surveillance, detection, and industrial monitoring.
Defense and Aerospace

Optical domes, windows, filters, prisms, mirrors, and infrared optics for demanding environmental and optical performance requirements.
Semiconductor and Industrial Inspection

Precision optics for inspection systems, machine vision, metrology, monitoring, and automated optical instruments.
Medical and Biotechnology

Optical filters, lenses, windows, and coated components for spectroscopy, microscopy, fluorescence, bioscience, and medical instruments.
Research and Scientific Instrumentation

Custom optics for universities, laboratories, astronomical instruments, spectroscopy systems, and advanced optical research.
Fiber Optics and Optical Communication

Custom optical components for fiber optic communication, optical transmission systems, transceiver modules, optical networking, and photonic device integration.

Custom Manufacturing Process

A structured process helps custom optics move from concept to production. Band Optics supports design review, material selection, rapid prototyping, CNC machining, diamond turning, polishing, coating, optical assembly, inspection, and delivery.

Inquiry and RFQ

Share your product type, drawings, material, size, tolerance, coating, quantity, and application requirements.

Drawing and Specification Review

We support non-polarizing beamsplitter coatings, beamsplitter coatings, longpass dichroic, shortpass dichroic, and multi-band dichroic coating designs.

Prototyping

Prototype manufacturing can support design validation, optical performance testing, and manufacturability improvement before volume production.

Manufacturing and Coating

Production may include lapping, polishing, CNC machining, diamond turning, coating, assembly, and process inspection.

Inspection and Delivery

Finished optics are inspected according to drawing requirements before packing and delivery.

Engineering Support for Custom Optics

Work with our team on optical material selection, coating options, tolerance evaluation, manufacturability review, inspection strategy, and application-driven optimization. Whether you need laser optics, infrared optics, filters, prisms, windows, domes, or optical assemblies, we help translate optical specifications into manufacturable components.

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Resources and Knowledge Center Description

Learn more about optical materials, coating selection, optical specifications, infrared optics, precision lenses, optical windows, prisms, filters, and custom optical manufacturing through practical engineering resources. Our knowledge center helps engineers and buyers make informed sourcing decisions.

Dispersion in Optics: A Comprehensive Guide

Dispersion in Optics: A Comprehensive GuideIntroduction to Dispersion (Optics)dispersion is a key phenomenon in optics. It affects how light behaves in different media. Dispersion occurs when light’s speed in a medium varies with wavelength. This means different colors travel at different speeds. Fo

Ocular Lenses vs Objective Lenses

The main difference between ocular and objective lenses is their role: the objective collects light from the specimen and helps form an image, while the ocular, or eyepiece, magnifies that image for the viewer. On a typical compound microscope, the ocular lens is 10x, while objectives commonly range

What Are Ocular Lenses? A Comprehensive Guide by Band Optics

1. Introduction: Peering Through Ocular LensesHave you ever wondered what makes microscopes and binoculars so powerful for viewing details? The answer lies in ocular lenses. These lenses are like magic glasses that enhance our ability to see tiny details or distant objects.

About Band Optics

Founded in 2008, Band Optics is an ISO 9001:2015 certified optical manufacturing company with more than 15 years of experience in precision optical components and lens systems. We support OEM, laser, defense, aerospace, semiconductor, medical, biotechnology, infrared detection, industrial inspection, and scientific applications with custom fabrication, coating, assembly, and inspection services.

Manufacturing Experience

Band Optics started by fabricating lenses, prisms, and flat optics and has expanded into custom optical components, infrared optics, coating, camera assemblies, and optical systems support.

Quality-Oriented Production

With a dedicated production workshop, optical design support, polishing, CNC, coating, inspection, and sales engineering teams, we focus on stable quality and project communication.

OEM and Application Support

We support standard and customized optical components for diverse applications, from prototype design to optical component production.

Request a Quote for Custom Optical Components

Tell us your product type, material, dimensions, tolerances, coating requirements, wavelength range, quantity, drawings, and application. Our team will review your request and respond with a practical custom optics solution for prototype or production needs.