Custom Optical Components

Vision Engineering’s custom optical components and coatings provide a highly competitive alternative to standard off-the-shelf components.

Quality without compromise

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Surface finish, dimensional accuracy and reflectivity assured to meet with all expectations from a quality British engineering company.

Competitive pricing

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Providing the highest quality optics at the best price, without compromise. High performance custom components at competitive prices.

Optical expertise & support

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Benefit from our own in-house optical design expertise located in the UK and around the world, with exceptional one-to-one customer service.

Dedicated Custom Optics division

Vision Engineering has developed extensive experience and infrastructure to support our business requirement for high quality custom optics. The formation of a dedicated Custom Optics division enables customers to benefit from our expertise in quality custom optics – while at the same time benefiting from exceptional pricing.

You can also be confident in a first-class level of service. Whether it be preparing optical samples, or managing logistics and import duties, every customer receives one-to-one attention from a dedicated optical engineer, simplifying the procurement process, so you can be confident you are in experienced hands.

Simplifying your procurement

Our experienced optical engineers ensure you get the optimum specification for you application, offering advice and interpreting optical demands to ‘production ready’ drawings. Customers can also be confident in a first-class level of service. Whether it be preparing optical samples, or managing logistics and import duties, every customer receives one-to-one attention from a dedicated optical engineer, simplifying the procurement process, so you can be confident you are in experienced hands.

Vision Engineering has offices throughout Europe, North America and Asia to ensure the highest level of quality and customer service are attained, wherever you are located.

Spherical lenses

Vision Engineering supplies custom optical lenses which may consist of single or multiple elements (doublets etc), made to perform to different functions, ranging from simple collection of light to precise imaging.

Custom lenses are available from 3.5mm to 250mm diameter, with surface quality up to 10-5 scratch-dig. Tight tolerances throughout, with supreme durability and a range of coatings, means the best suitability for each application can be created to meet with specification requirements.

Optical Lenses may be made to high precision or commercial quality.

Spherical lens manufacturing Specifications
CommercialPrecisionHigh Precision
DiameterФ3.5~Ф250Ф3.5~Ф250Ф3.5~Ф250
Diameter Tolerance0/-0.020/-0.0150/-0.001
Thickness Tolerance±0.03±0.01/
Surface SagRa:0.001μmRa:0.001μmRa:0.0002μm
RadiusR5~R∞R5~R∞R5~R∞
Power (P – V)N=±5N=±2N=±1
Irregularity (P – V)ΔN=1ΔN=0.5ΔN=0.3
Centering (Beam Deviation)≤60″≤30″≤10″
Bevel Tolerance±0.1±0.05±0.02
Surface Quality60-4020-1010-5
Lens Coating Capabilities
SubstratesAll Glass Types
Spectral Ranges300~3000nm
Spectral Edge Tolerance<1% Deviation, <0.2% Special Cases
Bandwidth1nm – Broadband
AR-Coating reflectivity<0.3% (absolute); <0.2% (Average)
Laser Damage ThresholdUp to 20 J/cm2@ 20ns Pulses
DurabilityMIL-STD-810F, Section 507.4; MIL-C-48497A, Section 3.4.1

Prisms

Custom optical prisms are made to perform to different functions, ranging from simple collection of light to precise imaging and could be made to precision or commercial quality.

Optical prisms can be made to a ‘high precision’ with extremely tight tolerances or ‘commercial’ standard, to fit a wider range of everyday applications.

ComercialPrecisionHigh precision
 Dimensions 10 -200mm10 – 150mm10-150mm
 Dimensional Tolerance±0.25mm ±0.1mm ±0.05mm
 Irregularity (P-V) ΔN=1 ΔN=0.5 ΔN=0.3
 Angle Accuracy ±3 arcmin ±30 arcsec ±1 arcsec
 Pyramidal Accuracy ±3 arcmin ±1 arcmin ±5 arcsec
 Bevel (Face Width @ 45°) ±0.2mm ±0.1mm ±0.05mm
 Surface Quality 60-40 40-2010-5
Prism Coating Capabilities
SubstratesAll Glass Types
Spectral Ranges 300~3000nm
Spectral Edge Tolerance <1% Deviation, <0.2% Special Cases
Bandwidth 1nm – Broadband
AR Coating Transmission >99%
Reflection 0.1 – 99.9%
Polarisation (S:P) 10000:1
Laser Damage Threshold Up to 20 J/cm@ 20ns Pulses
Durability MIL-STD-810F, Section 507.4; MIL-C-48497A, Section 3.4.1

Optical filters

Optical filters are made to selectively transmit or reject wavelengths and are used in a wide range of applications.

Vision Engineering supplies custom high quality optical filters to match your requirements.

ComercialPrecisionHigh precision
 Diameter 10 – 180mm10 – 180mm10 – 180mm
 Diameter Tolerance0/-0.02mm 0/-0.015mm 0/-0.01mm
 Thickness Tolerance  ±0.03mm  ±0.01mm/
 Irregularity (P-V) ΔN=2 ΔN=1 ΔN=0.5
 Surface Quality 60-40 20-1010-5
 Filter other specifications
SubstratesAll Glass Types
Spectral Ranges 300~3000nm
 Bandwidth 1nm – Broadband
Transmission2% – 98%
Durability MIL-STD-810F, Section 507.4; MIL-C-48497A, Section 3.4.1

Mirrors

The mirrors are available in a range of shapes and sizes, have high reflectivity for broad spectral range and are low polarizing (10000:1) properties enhancing contrast while minimizing glare, and are made in accordance with customers’ requirements.

Speciality optical mirrors can be designed with a variety of reflective coatings, including multi-layers, enhanced aluminium or protected silver, gold and dielectric.

 Mirrors Manufacturing Specifications
CommercialPrecisionHigh Precision
 Diameter 10 – 18010 – 180 10 – 180
 Diameter Tolerance 0/-0.02 0/-0.015 0/-0.001
 Thickness Tolerance ±0.03±0.01/
 Surface SagRa: 0.01Ra:0.001Ra: 0.0002
 Radius R5~R∞ R5~R∞ R5~R∞
 Power (P -V) N=±5 N=±2 N=±1
 Irregularity (P – V) ΔN=1 ΔN=0.5 ΔN=0.3
 Centering (Beam Deviation) ≤60″ ≤30″ ≤10″
 Bevel Tolerance ±0.1 ±0.05 ±0.02
 Surface Quality 60-40 20-10 10-5
Mirror Coating Capabilities
SubstratesAll Glass Types
 Spectral Rnages300 ~3000nm
 Spectral Edge Tolerance<1% Deviation, <0.2% Special Cases
 Bandwidth1nm – Broadband
 Reflection>90%
 Laser Damage ThresholdUp to 20J/cm2 @ 20ns Pulses
 Durability MIL-STD-810F, Section 507.4; MIL-C-48497A, Section 3.4.1

Beam splitter

The beamsplitter function is to split an optical path into two or more paths by percentage control of overall intensity.

Vision Engineering provides plate or cube, pellicle, polka dot or speciality prism beam splitters, in a wide range of anti-reflection coatings or substrates for image, laser and illumination systems.

ComercialPrecisionHigh precision
 Dimensions 10 -200mm10 – 200mm10-250mm
 Dimensional Tolerance±0.25mm ±0.1mm ±0.05mm
 Irregularity (P-V) ΔN=2 ΔN=1 ΔN=0.5
 Angle Tolerance ±3 arcmin ±30 arcsec ±1 arcsec
 Surface Quality 60-40 40-2010-5
 Beamsplitter Coating Capabilities
SubstratesAll Glass Types
Spectral Ranges 300~3000nm
Spectral Edge Tolerance <1% Deviation, <0.2% Special Cases
Bandwidth 1nm – Broadband
AR Coating Transmission >99%
Reflection 1% – 99%
Laser Damage Threshold Up to 20 J/cm2 @ 20ns Pulses
Durability MIL-STD-810F, Section 507.4; MIL-C-48497A, Section 3.4.1

Optical windows & stage glass

Optical windows & stage glass are optical glass with polished faces that are relatively parallel and are typically used as a protective element between two environments. They can be supplied uncoated or with an anti-reflection coating in a range of sizes.

Optical Window & Stage Glass Manufacturing Specifications
CommercialPrecisionHigh Precision
DiameterФ3.5~Ф250Ф3.5~Ф250Ф3.5~Ф250
Diameter Tolerance0/-0.020/-0.0150/-0.001
Thickness Tolerance±0.1±0.01/
Surface SagRa: 0.001Ra:0.001Ra:0.0002
Irregularity (P – V)ΔN=1ΔN=0.5ΔN=0.3
Surface Quality60-4020-1010-5
Window & Stage Glass Coating Capabilities
SubstratesAll Glass Types
Spectral Ranges300 ~3000nm
Spectral Edge Tolerance<1% Deviation, <0.2% Special Cases
Bandwidth>1nm – Broadband
AR Coating reflectivity>0.3% (absolute); <0.2% (average)
Laser Damage ThresholdUp to 20 J/cm2@ 20ns Pulses
DurabilityMIL-STD-810F, Section 507.4; MIL-C-48497A, Section 3.4.1

Vision Engineering is a certified ISO 9001:2015 company.