Our Products

We offer a complete product range of Refractive Index, Fused Quartz Witness Samples, Low Expansion Witness Samples, Light Weighted Mirror Blank and Test Plates Thick

Fused Quartz Witness Samples

Weight 0.03 lbs
Material CORNING 7980 HPFS, NSG-N Fused Quartz
Diameter 25.00mm ±0.20mm
Thickness 3.00mm +0.20mm/-0mm
Flatness < 1 wave @632.8nm

fused silica and fused quartz witness samples are made in America, offering high quality at an affordable price. Characteristics of our witness samples include: Many Popular Glass Types: Select from a large assortment of the most popular glass types.Laser Etched Part Number: No more problems identifying material. The part number is laser etched on the edge and can be cross-referenced to the material type.Inspected per MIL-PRF-13830B: Each sample is inspected for surface quality.Quantity Discounts: Available for orders of 11 or more. Please contact us for information.

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Low Expansion Witness Samples

Weight 0.03 lbs
Material 7056, 7972 ULE, B270®, Borofloat® 33/ Supremax® 33, NSG-N Fused Quartz, Pyrex, S-8003N
Diameter 25.00mm ±0.20mm
Thickness 3.00mm +0.20mm/-0mm
Flatness < 1 wave @632.8nm

low expansion glass witness samples are made in America, offering high quality at an affordable price. Characteristics of our witness samples include: Many Popular Glass Types: Select from a large assortment of the most popular glass types.Laser Etched Part Number: No more problems identifying material. The part number is laser etched on the edge and can be cross-referenced to the material type.Inspected per MIL-PRF-13830B: Each sample is inspected for surface quality.Quantity Discounts: Available for orders of 11 or more. Please contact us for information.

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$Refractive Index$

Refractive Index

Weight 0.03 lbs
Material DEDF805254, LASF-N15, LASF-N9, N-LASF41, N-LASF43, N-LASF44, N-LASF45, N-LASF46A, N-LASF9, N-SF57, N-SF6, N-SF66, S-LAH52, S-LAH53, S-LAH55, S-LAH58, S-LAH60, S-LAH65, S-LAH71, S-LAM66, S-NPH1, S-NPH2, S-TIH53, S-TIH6, SF-57, SF-6, SF57HT ULTRA, SFL-
Diameter 25.00mm ±0.20mm
Thickness 3.00mm +0.20mm/-0mm
Flatness < 1 wave @632.8nm

ULC witness samples come with a Refractive Index (Nd) of 1.400 and higher. They are made in America, offering high quality at an affordable price. Characteristics of our witness samples include: Many Popular Glass Types: Select from a large assortment of the most popular glass types.Laser Etched Part Number: No more problems identifying material. The part number is laser etched on the edge and can be cross-referenced to the material type.Inspected per MIL-PRF-13830B: Each sample is inspected for surface quality.Quantity Discounts: Available for orders of 11 or more. Please contact us for information.

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Laser Mirrors

Thickness 6.35mm +0mm/-0.20mm, 9.53mm +0mm/-0.20mm
Material UV Fused Silica
Weight 0.15 lbs
Diameter 25.40mm +0mm/-0.20mm

Laser Mirrors offer high performance at an affordable price. Details of our laser mirrors include: High Damage Thresholds: Each batch of mirrors is checked by a third party test facility for compliance.High Reflectivity: Each batch of mirrors is scanned for absolute reflection on one of our state-of-the-art, calibration maintained spectrophotometers.Clean Packaging: To minimize contamination, the mirrors are packaged in PETG containers in class 100 HEPA filtered flow benches.High Quality Substrate: Only high quality materials, such as UV Grade Fused Silica, are used.

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Diameter Laser Debris Shields

Weight 0.04 lbs
Material Fused Quartz
Thickness 2.00mm +0.15mm – 0mm
Diameter 50mm ± 0.10mm

50mm diameter laser debris shields are made in America of fused quartz. Made to the highest possible quality standards at an affordable price, our debris shields exhibit: High Damage Thresholds: Long life for both CW and pulsed lasers.Low Reflectivity: Each coated batch is scanned for absolute reflection on one of our state-of-the-art, calibration maintained spectrophotometers.Extremely Low Absorption: To minimize heating.High Quality Substrate: Only high quality materials, such as UV Grade Fused Silica and Fused Quartz, are used. Additional material types are available upon request.

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Light Weighted Mirror Blank

Weight 38.70 lbs
Diameter 412.75mm
Material Borofloat® 33/ Supremax® 33
Thickness 83.82mm

ULC manufactures test plates mirror blanks in our Southbridge, MA facility with Schott Borofloat 33 Supremax 33. Highlights of ordering from ULC include: Made in America: All United Lens products are manufactured in our Southbridge, MA facility.Quick Turnaround: In stock orders can be shipped the same day if received before 1:00pm EST.Competitive Prices: ULC stocks raw materials on site helping keep our costs down and our delivery time one of the fastest in the industry.

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Test Plates Thick

Weight 0.035 lbs
Diameter 25.40mm, 107.95mm
Material Borofloat® 33/ Supremax® 33
Thickness 19.05mm

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Round Colored Filters

Material BG3, BG18, BG38, BG39, BG40, GG395, GG400, GG420, GG435, GG455, GG475, GG495, KG1, KG2, KG3, KG5, N-WG280, N-WG295, N-WG305, N-WG320, OG515, OG530, OG550, OG570, OG590, RG9, RG610, RG715, RG780, RG830, RG850, RG1000, UG1, UG5, UG11, RG630, RG645, RG6
Material Schott Optical Filter Glass
Thickness 3.00mm ±0.10mm
Weight 0.07 lbs
Diameter 25.40mm ±0.30mm

Round colored filters are manufactured using Schott optical glass and adhere to ULCs high quality standards: Made in America: All United Lens products are manufactured in our Southbridge, MA facility.Quick Turnaround: In stock orders can be shipped the same day if received before 1:00pm EST.Competitive Prices: ULC stocks raw materials on site helping keep our costs down and our delivery time one of the fastest in the industry.

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Square Colored Filters

Material BG3, BG18, BG38, BG39, BG40, GG395, GG400, GG420, GG435, GG455, GG475, GG495, KG1, KG2, KG3, KG5, N-WG280, N-WG295, N-WG305, N-WG320, OG515, OG530, OG550, OG570, OG590, RG9, RG610, RG715, RG780, RG830, RG850, RG1000, UG1, UG5, UG11, RG630, RG645, RG6
Material Schott Optical Filter Glass
Weight 0.07 lbs
Length/Width 50.80mm ±0.30mm
Thickness 3.00mm ±0.10mm

square colored filters are manufactured using Schott optical glass and adhere to ULCs high quality standards: Made in America: All United Lens products are manufactured in our Southbridge, MA facility.Quick Turnaround: In stock orders can be shipped the same day if received before 1:00pm EST.Competitive Prices: ULC stocks raw materials on site helping keep our costs down and our delivery time one of the fastest in the industry.

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