Bevel:

Protective as needed

Clear Aperture CA (mm):

45.00

Coating:

Uncoated

Diameter (mm):

50.80 +0.00/-0.10

Thickness (mm):

3.18 ±0.20

Parallelism (arcmin):

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

Sapphire (Al₂O₃)

Surface Quality:

10-5

Transmitted Wavefront, P-V:

≤λ/10 over 25.4mm of Clear Aperture

Type:

Protective Window

Wavelength Range (nm):

200 - 5500

Birefringence (n_o-n_e):

Axis Orientation:

C-axis

Young's Modulus (GPa):

435

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

8.8

Density (g/cm³):

3.97

Index of Refraction n_d:

1.77

Poisson's Ratio:

0.27

Abbe Number (v_d):

72.24

Edges:

Fine Ground

Regulatory Compliance

RoHS:

Compliant

Product Family Description

C-Axis Cut Sapphire to Eliminate Birefringence
10-5 Surface Quality and λ/10 TWFD
Uncoated or IBS AR Coated for 1000-1100nm
Ideal for High Power Laser Applications

Laser Grade C-Axis Sapphire Windows are precision optical windows cut to the C-axis of sapphire to eliminate the inherent birefringent properties of the material. C-axis sapphire, also referred to as C-plane sapphire or zero degree sapphire, provides high transmission from the ultraviolet (UV) to the mid-infrared, excellent chemical resistance, and high surface hardness second only to diamond. Featuring laser grade 10-5 surface quality and λ/10 transmitted wavefront distortion (TWFD), these windows are ideal for use in laser applications or for integration into laser systems. Laser Grade C-Axis Sapphire Windows are available uncoated or with an ion-beam sputtered (IBS) antireflection (AR) coating for 1000 - 1100nm, ideal for Nd:YAG, Yb:doped fiber, or Yb:YAG laser applications. Standard imperial sizes facilitate drop-in replacement into existing laser systems; please contact us if your application requires a Laser Grade C-Axis Sapphire Window with a custom size or coating.

Title	Type	Stock Number	Price	Buy
50.8mm Optic Dia., Optic Mount	Fixed	#64-569	€33,77 Qty 10+ €30,40 Request Quote	3-4 days ×
9.5 - 73.0mm Optic Dia., Three-Screw Adjustable Ring Mount	Fixed	#36-605	€66,10 Qty 10+ €58,38 Request Quote	In Stock ×
50.0/50.8mm Optic Dia., E-Series Kinematic Mount	Adjustable - Tip-Tilt	#15-867	€69,00 Qty 10+ €65,50 Request Quote	3-4 days ×
19.5 - 108.0mm Optic Dia., Three-Screw Adjustable Ring Mount	Fixed	#03-670	€90,71 Qty 10+ €80,09 Request Quote	3-4 days ×
7.0 - 67.0 Optic Height, English Bar-Type Optic Holder	Fixed	#03-669	€92,64 Qty 10+ €83,38 Request Quote	3-4 days ×
10.0 - 60.0mm Optic Height, Metric Bar-Type Optic Holder	Fixed	#55-530	€92,64 Qty 10+ €83,38 Request Quote	In Stock ×
50.0/50.8mm Optic Dia., Kinematic Mount, 2-Screws	Adjustable - Tip-Tilt	#58-852	€94,57 Qty 5+ €85,11 Request Quote	In Stock ×
8.0 - 118.0 Optic Height, English Bar-Type Optic Holder	Fixed	#03-666	€95,53 Qty 10+ €85,98 Request Quote	In Stock ×
50.0/50.8mm Optic Dia., Optical Cell Assembly	Fixed	#36-465	€103,25 Qty 10+ €91,48 Request Quote	3-4 days ×
50.0/50.8mm Optic Dia., Kinematic Mount, 3-Screws	Adjustable - Tip-Tilt	#58-855	€110,01 Qty 5+ €99,01 Request Quote	In Stock ×
50/50.8mm Diameter, E-Series Kinematic Mount, Quick Start Optical Mounts	Adjustable - Tip-Tilt	#17-522 New ×	€110,02 Request Quote	3-4 days ×
2"/50.8mm Diameter, Bar Type Lens / Filter Holder, Quick Start Optical Mounts	Fixed	#17-530	€128,35 Request Quote	3-4 days ×
50/50.8mm Dia., Kinematic Mount, 3-Screws, Quick Start Optical Mounts	Adjustable - Tip-Tilt	#17-524	€151,03 Request Quote	3-4 days ×
50.0/50.8mm Optic Dia., X-Y Translating Optic Mount	Adjustable - Linear (XY)	#62-957	€254,76 Qty 5+ €242,02 Request Quote	3-4 days ×
50.0/50.8mm Optic Diameter, X-Y Translating Optic Mount, Quick Start Optical Mounts	Adjustable - Linear (XY)	#17-514	€290,47 Request Quote	3-4 days ×
5.0 - 100.0mm Optic Dia., Self-Centering Jaw Clamp	Fixed	#16-078	€334,85 Qty 5+ €295,29 Request Quote	3-4 days ×
50.0/50.8mm Optic Dia., Precision Gimbal Mount	Adjustable - Gimbal	#55-000	€428,46 Qty 5+ €385,61 Request Quote	3-4 days ×
50/50.8mm ID, Precision Gimbal Mount, Quick Start Optical Mounts	Adjustable - Gimbal	#17-518	€466,00 Request Quote	3-4 days ×
50.0/50.8mm Optic Dia., X-Y-Z Translating Optic Mount	Adjustable - Linear (XYZ)	#62-960	€500,83 Qty 5+ €475,79 Request Quote	3-4 days ×
50.0/50.8mm Optic Dia., 5 Axes Optical Mount	Adjustable - Linear (XYZ) & Tip-Tilt	#13-778	€693,83 Qty 5+ €659,14 Request Quote	3-4 days ×

50.8mm Dia., 3.18mm Thick, Uncoated, Laser Grade C-Axis Sapphire Window

Regulatory Compliance

Product Family Description