Dia 40.0mm, Thk 2.0mm, Uncoated, C-cut Sapphire Window

Code: 153-041

$39.00

Qty 2-5
$35.10

Qty 6
$31.60

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Specifications:

Window Shape	Flat Circular	Material	Optical grade single crystal sapphire
Diameter	40.0mm	Thickness	2.0mm
Diameter Tolerance	+0.0/-0.1mm	Thickness Tolerance	+/-0.05mm
Aperture	>90%	Flatness	2λ@633nm
Surface Quality	60/40 S/D	Parallelism	<30 arcsec
Coating	Uncoated	Orientation	C-cut
Chamfer	Protective Chamfer 0.1-0.3mmx45°	Uncoated Transmission Range	225-5500nm

Material Properties:

Transmission Range	225-5500nm	Refractive Index	No 1.75449; Ne 1.74663 @ 1.06 μm
Reflection Loss	14% at 1.06 μm	Absorption Coefficient	0.3 x 10-3 cm-1 @ 2.4 μm
Reststrahlen Peak	13.5 μm	dn/dT	13.1 x 10^-6 @ 0.546 μm
dn/dμ = 0	1.5 μm	Density	3.97 g/cc
Melting Point	2040°C	Thermal Conductivity	27.21 W m-1 K-1 @300K
Thermal Expansion	5.6 (para) & 5.0 (perp) x 10^-6 /K *	Hardness	Knoop 2000 with 2000g indenter
Specific Heat Capacity	763 J Kg-1 K-1 @ 293K	Dielectric Constant	11.5 (para) 9.4 (perp) @ 1MHz
Youngs Modulus (E)	335 GPa	Shear Modulus (G)	148.1 GPa
Bulk Modulus (K)	240 GPa	Elastic Coefficients	C11=496 C12=164 C13=115 C33=498 C44=148
Apparent Elastic Limit	300 MPa (45,000 psi)	Poisson Ratio	0.25
Solubility	98 x 10^-6 g/100g water	Molecular Weight	101.96
Class/Structure	Trigonal (hex), R3c

This is a Diameter 40.0mm, Thickness 2.0mm, Uncoated Sapphire Window Module with C-cut orientation, Code: 153-041.

Circular

Dia40.0x2.0mm

C-cut

60/40 S/D

2λ

Uncoated

$39.00

3 Weeks