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Optical Flats (Square)

OFB - OFBP - OFSQ - OFPXP - OFSQP-S

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Optical Flats (Square)
Out of stock
SKU
OFB - OFBP - OFSQ - OFPXP - OFSQP-S
These Optical Flats are precision polished on one side to a high accuracy and surface quality. They are suitable substrates to be coated with an optical thin film, such as a custom-made mirror.
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Name A x B Material Rear Surface Delivery Price Add to cart
i
Optical Flat 50x50mm λ
OFPXP-50S08-1 		50mm x 50mm Hard glass Polished
1 week
£70.00
Material Hard glass
Parallelism ＜3′
Outer dimension A □50mm
Thickness t 8mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 150x150mm λ/4
OFPXP-150S20-4 		Hard glass Polished
1 week
£625.60
Material Hard glass
Parallelism ＜3′
Outer dimension A □150mm
Thickness t 20mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 50x50mm λ/20
OFPXP-50S08-20 		50mm x 50mm Hard glass Polished
1 week
£271.60
Material Hard glass
Parallelism ＜3′
Outer dimension A □50mm
Thickness t 8mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 25×25mm λ/4
OFB-25S05-4 		25mm x 25mm BK7 Ground
2 weeks
£44.80
Material BK7
Parallelism ＜3′
Outer dimension A □25mm
Thickness t 5mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 60x60mm λ/10
OFPXP-60S10-10 		Hard glass Polished
1 week
£222.20
Material Hard glass
Parallelism ＜3′
Outer dimension A □60mm
Thickness t 10mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 30×30mm λ
OFB-30S05-1 		30mm x 30mm BK7 Ground
2 weeks
£37.00
Material BK7
Parallelism ＜3′
Outer dimension A □30mm
Thickness t 5mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 80x80mm λ
OFPXP-80S12-1 		80mm x 80mm Hard glass Polished
6-12 weeks
£140.80
Material Hard glass
Parallelism ＜3′
Outer dimension A □80mm
Thickness t 12mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 30×30mm λ/20
OFB-30S05-20 		30mm x 30mm BK7 Ground
6-12 weeks
£139.90
Material BK7
Parallelism ＜3′
Outer dimension A □30mm
Thickness t 5mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 80x80mm λ/4
OFPXP-80S12-4 		80mm x 80mm Hard glass Polished
6-12 weeks
£193.00
Material Hard glass
Parallelism ＜3′
Outer dimension A □80mm
Thickness t 12mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 15×15mm λ/10
OFB-15S03-10 		15mm x 15mm BK7 Ground
1 week
£25.60
Material BK7
Parallelism ＜3′
Outer dimension A □15mm
Thickness t 3mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 100x100mm λ
OFPXP-100S15-1 		Hard glass Polished
1 week
£170.60
Material Hard glass
Parallelism ＜3′
Outer dimension A □100mm
Thickness t 15mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 15×15mm λ/20
OFB-15S05-20 		15mm x 15mm BK7 Ground
6-12 weeks
£51.20
Material BK7
Parallelism ＜3′
Outer dimension A □15mm
Thickness t 5mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat Synthetic fused silica 15x15mm
OFSQ-15S06-20 		15mm x 15mm Synthetic fused silica Ground
1 week
£59.50
Material Synthetic fused silica
Parallelism ＜3′
Outer dimension A □15mm
Thickness t 6mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 20−10
Rear surface Ground
i
Optical Flat 130x130mm λ
OFPXP-130S18-1 		Hard glass Polished
1 week
£244.60
Material Hard glass
Parallelism ＜3′
Outer dimension A □130mm
Thickness t 18mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat Synthetic fused silica 30x30mm
OFSQ-30S06-20 		30mm x 30mm Synthetic fused silica Ground
1 week
£185.20
Material Synthetic fused silica
Parallelism ＜3′
Outer dimension A □30mm
Thickness t 6mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 20−10
Rear surface Ground
i
Optical Flat BK7 20x20mm λ/4
OFB-20S05-4 		20mm x 20mm BK7 Ground
2 weeks
£29.70
Material BK7
Parallelism ＜3′
Outer dimension A □20mm
Thickness t 5mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 40x40mm λ/10
OFPXP-40S06-10 		40mm x 40mm Hard glass Polished
1 week
£103.80
Material Hard glass
Parallelism ＜3′
Outer dimension A □40mm
Thickness t 6mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 20x20mm λ/10
OFB-20S05-10 		20mm x 20mm BK7 Ground
1 week
£37.00
Material BK7
Parallelism ＜3′
Outer dimension A □20mm
Thickness t 5mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 50x50mm λ/4
OFPXP-50S08-4 		50mm x 50mm Hard glass Polished
2 weeks
£114.80
Material Hard glass
Parallelism ＜3′
Outer dimension A □50mm
Thickness t 8mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 25×25mm λ
OFB-25S05-1 		25mm x 25mm BK7 Ground
2 weeks
£29.70
Material BK7
Parallelism ＜3′
Outer dimension A □25mm
Thickness t 5mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 60x60mm λ
OFPXP-60S10-1 		Hard glass Polished
1 week
£89.20
Material Hard glass
Parallelism ＜3′
Outer dimension A □60mm
Thickness t 10mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 25×25mm λ/10
OFB-25S05-10 		25mm x 25mm BK7 Ground
1 week
£52.10
Material BK7
Parallelism ＜3′
Outer dimension A □25mm
Thickness t 5mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat BK7 10×10mm λ/10
OFB-10S03-10 		10mm x 10mm BK7 Ground
1 week
£18.30
Material BK7
Parallelism ＜3′
Outer dimension A □10mm
Thickness t 3mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat BK7 30×30mm λ/4
OFB-30S05-4 		30mm x 30mm BK7 Ground
2 weeks
£55.30
Material BK7
Parallelism ＜3′
Outer dimension A □30mm
Thickness t 5mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat BK7 10×10mm λ/10
OFB-10S05-10 		10mm x 10mm BK7 Ground
1 week
£18.30
Material BK7
Parallelism ＜3′
Outer dimension A □10mm
Thickness t 5mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat BK7 15×15mm λ/4
OFB-15S03-4 		15mm x 15mm BK7 Ground
2 weeks
£22.40
Material BK7
Parallelism ＜3′
Outer dimension A □15mm
Thickness t 3mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 80x80mm λ/20
OFPXP-80S12-20 		80mm x 80mm Hard glass Polished
1 week
£563.40
Material Hard glass
Parallelism ＜3′
Outer dimension A □80mm
Thickness t 12mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 15×15mm λ/10
OFB-15S05-10 		15mm x 15mm BK7 Ground
1 week
£25.60
Material BK7
Parallelism ＜3′
Outer dimension A □15mm
Thickness t 5mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 100x100mm λ/10
OFPXP-100S15-10 		Hard glass Polished
1 week
£355.80
Material Hard glass
Parallelism ＜3′
Outer dimension A □100mm
Thickness t 15mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat Synthetic fused silica 20x20mm
OFSQ-20S06-20 		20mm x 20mm Synthetic fused silica Ground
1 week
£86.40
Material Synthetic fused silica
Parallelism ＜3′
Outer dimension A □20mm
Thickness t 6mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 20−10
Rear surface Ground
i
Optical Flat BK7 20x20mm λ/10
OFB-20S03-10 		20mm x 20mm BK7 Ground
1 week
£37.00
Material BK7
Parallelism ＜3′
Outer dimension A □20mm
Thickness t 3mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 40x40mm λ
OFPXP-40S06-1 		40mm x 40mm Hard glass Polished
1 week
£55.30
Material Hard glass
Parallelism ＜3′
Outer dimension A □40mm
Thickness t 6mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 130x130mm λ/10
OFPXP-130S18-10 		Hard glass Polished
1 week
£592.60
Material Hard glass
Parallelism ＜3′
Outer dimension A □130mm
Thickness t 18mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 40x40mm λ/20
OFPXP-40S06-20 		40mm x 40mm Hard glass Polished
1 week
£205.80
Material Hard glass
Parallelism ＜3′
Outer dimension A □40mm
Thickness t 6mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 20x20mm λ/20
OFB-20S05-20 		20mm x 20mm BK7 Ground
1 week
£74.10
Material BK7
Parallelism ＜3′
Outer dimension A □20mm
Thickness t 5mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 50x50mm λ/10
OFPXP-50S08-10 		50mm x 50mm Hard glass Polished
1 week
£136.70
Material Hard glass
Parallelism ＜3′
Outer dimension A □50mm
Thickness t 8mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 150x150mm λ/10
OFPXP-150S20-10 		Hard glass Polished
1 week
£963.10
Material Hard glass
Parallelism ＜3′
Outer dimension A □150mm
Thickness t 20mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 60x60mm λ/4
OFPXP-60S10-4 		Hard glass Polished
1 week
£140.80
Material Hard glass
Parallelism ＜3′
Outer dimension A □60mm
Thickness t 10mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 25×25mm λ/20
OFB-25S05-20 		25mm x 25mm BK7 Ground
1 week
£103.80
Material BK7
Parallelism ＜3′
Outer dimension A □25mm
Thickness t 5mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 60x60mm λ/20
OFPXP-60S10-20 		Hard glass Polished
6-12 weeks
£444.50
Material Hard glass
Parallelism ＜3′
Outer dimension A □60mm
Thickness t 10mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 30×30mm λ/10
OFB-30S05-10 		30mm x 30mm BK7 Ground
1 week
£70.00
Material BK7
Parallelism ＜3′
Outer dimension A □30mm
Thickness t 5mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat BK7 10×10mm λ/20
OFB-10S05-20 		10mm x 10mm BK7 Ground
6-12 weeks
£36.60
Material BK7
Parallelism ＜3′
Outer dimension A □10mm
Thickness t 5mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 80x80mm λ/10
OFPXP-80S12-10 		80mm x 80mm Hard glass Polished
6-12 weeks
£281.70
Material Hard glass
Parallelism ＜3′
Outer dimension A □80mm
Thickness t 12mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 15×15mm λ/4
OFB-15S05-4 		15mm x 15mm BK7 Ground
2 weeks
£22.40
Material BK7
Parallelism ＜3′
Outer dimension A □15mm
Thickness t 5mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 100x100mm λ/4
OFPXP-100S15-4 		Hard glass Polished
1 week
£237.30
Material Hard glass
Parallelism ＜3′
Outer dimension A □100mm
Thickness t 15mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat Synthetic fused silica 10x10mm
OFSQ-10S06-20 		10mm x 10mm Synthetic fused silica Ground
1 week
£48.00
Material Synthetic fused silica
Parallelism ＜3′
Outer dimension A □10mm
Thickness t 6mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 20−10
Rear surface Ground
i
Optical Flat BK7 20x20mm λ/4
OFB-20S03-4 		20mm x 20mm BK7 Ground
2 weeks
£29.70
Material BK7
Parallelism ＜3′
Outer dimension A □20mm
Thickness t 3mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat Synthetic fused silica 25x25mm
OFSQ-25S06-20 		25mm x 25mm Synthetic fused silica Ground
1 week
£118.90
Material Synthetic fused silica
Parallelism ＜3′
Outer dimension A □25mm
Thickness t 6mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 20−10
Rear surface Ground
i
Optical Flat 130x130mm λ/4
OFPXP-130S18-4 		Hard glass Polished
1 week
£362.20
Material Hard glass
Parallelism ＜3′
Outer dimension A □130mm
Thickness t 18mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 40x40mm λ/4
OFPXP-40S06-4 		40mm x 40mm Hard glass Polished
2 weeks
£77.80
Material Hard glass
Parallelism ＜3′
Outer dimension A □40mm
Thickness t 6mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 150x150mm λ
OFPXP-150S20-1 		Hard glass Polished
6-12 weeks
£362.20
Material Hard glass
Parallelism ＜3′
Outer dimension A □150mm
Thickness t 20mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished

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◦ We offer these substrates in a wide variety shapes and sizes, thickness and surface accuracy to allow for selection according to your required specifications.

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