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TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

6" Dia. λ/10 Fused Silica Dual Surface Flat

Name: 6" Dia. λ/10 Fused Silica Dual Surface Flat
Brand: TECHSPEC
SKU: 43-432
Price: ₹2,26,200

Stock #43-432 10 to 12 days

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₹2,26,200

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₹2,26,200

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Imaging Lens Selector

Surface Flatness (P-V):

λ/10

Abbe Number (v_d):

67.8

Coating:

Uncoated

Coefficient of Thermal Expansion CTE (10^-6/°C):

0.52 (+5 to +35°C)
0.57 (0 to +200°C)
0.48 (-100 to +200°C)

Diameter (mm):

152.40 ±1.0

Thickness (mm):

25.40 ±2.0

Diameter (inches):

6.00 ±0.04

Thickness (inches):

1.00 ±0.08

Clear Aperture CA (mm):

137.20

Construction:

Dual Surface

Density (g/cm³):

2.20

Index of Refraction n_d:

1.458

Knoop Hardness (kg/mm²):

522

Parallelism (arcmin):

Poisson's Ratio:

0.16

Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More

Fused Silica

Surface Quality:

60-40

Type:

Interferometry Window

Wavelength Range (nm):

200 - 2200

Young's Modulus (GPa):

Bevel:

Protective as needed

Regulatory Compliance

RoHS 2015:

Compliant

Reach 211:

Compliant

Certificate of Conformance:

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Product Family Description

λ/10 and λ/20 Surface Flatness Options
Each λ/20 Flat 76.2mm and Larger Includes a Certificate of Calibration
Extended Lifetime in Contact Measurement Applications
Single Surface Optical Flats Also Available

TECHSPEC® Precision Dual Surface Optical Flats are precision ground and polished to the stated accuracies on both surfaces so that either face may be used for test applications. Both surfaces are tested and certified by our Zygo Interferometer. Each flat ships in a durable storage case for permanent protection. TECHSPEC® Precision Dual Surface Optical Flats specified for λ/20 flatness that are 76.2mm or larger also include a certificate of calibration. These dual surface flats are uncoated and offered in diameters ranging from 25.40 to 304.80mm.

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