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Optical Glass Highly Polished Sapphire Cylinder Lenses Sapphire Rod Lens Endoscope Rod Micro Rod Lens

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Description

Optical Glass Highly Polished Sapphire Cylinder Lenses Sapphire Rod Lens Endoscope Rod Micro Rod Lens
Rod Lenses are used for fiber coupling and laser diode beam shaping, lenses with a 0mm working distance are ideal for collimation of single and multi-mode optical fibers and laser diodes because the lens can be positioned and glued directly to the emission source. For focusing applications, or in instances where the lens can’t be in direct contact with the emission source, all lenses are available with a small working distance as well. WDQ OPTICS can provide the size from Φ1～Φ15mm, quantity price, and custom sizes, including variations in polished/ground surfaces, are available to OEM customers upon request.

Characteristics and application of sapphire rod:
1. For wavelengths between 0.3 μ M (UV) and 5 μ The light between M (IR) has high transparency,
2. It is very hard and can resist the corrosion of sulfuric acid.
3. Highly scratch resistant.
4. Extremely high melting temperature (2030 ° C).
5. It is applicable to the application of medical laser equipment, dental laser, precision machinery, and testing instruments.

This is synthetic sapphire. Single crystal sapphire has high thermal conductivity, volume resistivity, hardness, wear resistance, and high service temperature. Sapphire is a transparent material with useful wavelength transmission in the range of 0.2 to 5.5 microns. It is much stronger than glass and can be used as an observation window in high-pressure and vacuum applications. In semiconductor processing applications, it is a superior substitute for quartz, alumina and silicon carbide. In addition, sapphire tubes are used in various analytical instruments and lamps for transmitting visible, infrared or ultraviolet light. They usually have high intensity at high temperatures and high pressure.
Typical Applications: Pumps, Light Pipes, Spacers, Insulators, Wear Applications

Sapphire rod is widely used in medical devices, precision machinery, and testing instruments because of its excellent properties such as high hardness, high strength, scratch resistance, high-temperature resistance, purity, chemical durability, and excellent radiation stability.
Specification

Diameter:	0.40 mm ~ 30mm
Diameter tolerance:	0.004mm ~ 0.05mm
Length:	2.00mm ~ 150mm
Length tolerance:	0.03mm ~ 0.25mm
Surface quality:	40/20
Surface roundness:	RZ0.05
Custom shape:	both ends flat, one end radius, both ends radius, saddle pins, and special shapes

Sapphire rod is an ideal material for high-temperature applications. Because its extremely high softening point exceeds 2000 ° C, its shape and size will not change.

Sapphire rods are chemically inert and can resist erosion in most processing environments, such as acids and bases at temperatures up to ~ 1000 ° C.
Sapphire rods are biologically inert. It is an ideal material for bioengineering, dental and medical bone implants.

Sapphire rod has strong wear resistance and is suitable for rod bearing applications.

Sapphire Rod Properties

Compound Formula	Al₂O₃
Molecular Weight	101.96
Appearance	Unpolish Sapphire Rod Polished Sapphire Rod
Melting Point	2050 °C (3720 °F)
Boiling Point	2,977° C (5,391° F)
Density	4.0 g/cm³
Morphology	Trigonal (hex), R3c
Solubility in H2O	98 x 10^-6 g/100g
Refractive Index	1.8
Electrical Resistivity	17 10x Ω-m
Poisson's Ratio	0.28
Specific Heat	760 J Kg^-1 K^-1 (293K)
Tensile Strength	1390 MPa (Ultimate)
Thermal Conductivity	30 W/m-K
Thermal Expansion	5.3 µm/m-K
Young's Modulus	450 GPa
Exact Mass	101.948 g/mol
Monoisotopic Mass	101.94782 Da

WDQ optics offer a full range of sapphire rods to meet a variety of applications, including plunger pumps, plunger rods, laser rangefinders, laser indicators, insulators, and measuring rods. Our sapphire rod custom shapes include two end planes, one end radius, two end radius, saddle pin, and special shapes, which can be customized according to customer requirements. The specifications of the sapphire rod we can supply is : the diameter starts from 0.40mm, the length is up to 600mm, the surface quality is up to 40 / 20, and the surface roughness is rz0.05.

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