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Calibration Filters - Didymium & Holmium

UQG Optics Calibration filters are made from Schott glass and are used in spectrophotometers as secondary calibration standards for the confirmation of the transmittance and absorption. They can be absorptive glass filters for the visible or metallic coated for the ultraviolet (UV) and infrared (IR) spectrum. Produced as unmounted filters for OEM customers for calibration references or mounted in cuvette filters holders for spectrophotometers for laboratories as single filters or a range of values supplied boxed. Calibration filters can also be supplied calibrated within ± 0.5nm, level of uncertainly ± 0.3nm.

UQG Optics stock diameters and squares and can custom make including material options and dimensions.

Please contact our sales team.

Dimensions: Diameters 5mm to 160mm
Squares/Rectangles 3mm x 3mm to 165mm x 165mm
Thickness Range: 0.50mm to 4mm (subject to dimension)
Options: Mounted in spectrophotometer mounts, calibration certificate to within ± 0.5nm traceable to NPL standard
Materials: Didymium - Hoya V10, Schott BG20 & Schott BG36
Holmium - Hoya HY1 & Kopp 3131

Purchase or OEM production quantities?
Ask UQG for a quote we are a major single source supply chain global supplier.

Material:
SCHOTT® or HOYA® Filter Glass
Dimension Tolerance:
+0.00 / -0.20mm
Thickness Tolerance:
± 0.20mm
Edge Finish:
Fine ground
Surface Quality:
60/40 Scratch/Dig (@633nm)
Surface Flatness:
≤ 3 Fringes (@633nm) per 10mm2
Parallelism:
≤ 3 Arc mins

Please contact us for discount pricing for stock parts over 10+ and volume/OEM quantities

Currency select:

Part No Data
sheet
Description Dimensions (mm)Thickness (mm) Unit price
(1-10)
Qty
Qty
(10+)Volume pricing available for 10+, please add to quote.
CFD-1250 PDF Didymium Filters Ø 12.52 £48.00
QTY
Added. View quote
CFD-3010 PDF Didymium Filters 30 x 102 £74.00
QTY
Added. View quote
CFH-1250 PDF Holmium Filters Ø 12.52 £45.00
QTY
Added. View quote
CFH-3010 PDF Holmium Filters 30 x 102 £74.00
QTY
Added. View quote

Part Number

CFD-3010

Didymium Filters

PDF Data sheet

Dimensions (mm) 30 x 10

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£74.00 Inc. VAT

QTY

Part Number

CFD-1250

Didymium Filters

PDF Data sheet

Thickness (mm) 2

Dimensions (mm) Ø 12.5

Focal Length (mm) 0

UNIT PRICE (1-50)

£48.00 Inc. VAT

QTY

Part Number

CFH-3010

Holmium Filters

PDF Data sheet

Dimensions (mm) 30 x 10

Thickness (mm) 2

Focal Length (mm) 0

UNIT PRICE (1-50)

£74.00 Inc. VAT

QTY

Part Number

CFH-1250

Holmium Filters

PDF Data sheet

Thickness (mm) 2

Dimensions (mm) Ø 12.5

Focal Length (mm) 0

UNIT PRICE (1-50)

£45.00 Inc. VAT

QTY