Lithium niobium crystal (LN)LiNbO3 lens is widely used in SAW filter, optical waveguide, photoelectricity modulator, frequency multiplication transducer and information storage as a functional crystal with excellent physical feature of anti high temperature and anti canker. It has stable mechanical performance, and will appear different special feature after being doped differently.
We manufacture LiNbO3 crystal lens professionally.
Basic Properties of optical LiNbO3 crystal lens as follow:
Crystal Structure: Trigonal, point group 3m
Lattice Parameters: A=b=5.148, c=13.863
Density: 4.64 g/cm3
Melting Point: 1250 degrees
Curie Point: 1142+/- degrees
Mohs Hardness: 55
Dielectric Constant: E11/e0 = 85; E33/e0 = 29.5
Thermal Conductivity: 38 W/m egrees at 25 egrees
Thermal Expansion Coefficient: A1=a2 =2x10-6 egrees, a3=2.2x10-6/ degrees at 25degrees
Piezoelectric Strain Constant: D22 = 2.04 x 10-11 C/N, d33 = 19.22 x 10-11 C/N
Elastic Stiffness Constant: CE11 = 2.04 x 1011 N/m2, CE33 = 2.46 x 1011 N/m2
Precision parameter we can meet as follow:
| Range of diameter | Dia.0.7mm-Dia.400mm |
| Range of curve radius | R1.5-R∞ etc. |
| Tolerance of diameter | +/-0.1, +/-0.01, +/-0.005 etc. |
| Surface accuracy | λ , 1/2λ , 1/4λ , 1/10λ etc. |
| Tolerance of Thickness | +/-0.1, +/-0.05, +/-0.01 etc. |
| Centration | +/-2′,+/-1′ etc. |
| Aperture N | 5, 1 etc. |
| Irregularity ΔN | 2, 1, 0.5, 0.2 etc. |
| Surface quality | 60/40, 40/20, 20/10, 10/5 etc. |
VY Optics Photoelectric Technology Co., Ltd. Specialized in manufacturing kinds of optical precision components and lenses. Through many years' Hard work and positive innovation, we have became a optical company integrating lens design, production and sales.
Our company has strong production capacity, in possession of the domestically top production line and excellent workers, which mainly are composed of researchers and technicists of the Chinese Academy of Sciences, Changchun Institute of Optics and Fine Mechanics and Changchun University of Science and Technology, they are experienced and can produce wide range of optical articles. The prime products are spherical lens, windows, prisms, achromatic lens, cylindrical mirror, laser optical components, infrared optical components, various crystals. In addition, our company has independently developed a magnifier, microscope, telescope and kinds of conversion lenses. Mainly used in military, aerospace, industry, scientific, medical instrument, photoelectric device, optical communication and mechanical equipment and so on. 80% of our items are sold abroad, in the meantime we also cooperate with internal companies, we offer OEM service!
Over the years, with the concept of " integrity, innovation, quality first ", we constantly provide our clients with the best products and perfect service, sincerely welcome domestic and foreign customers to establish cooperation with us, creating a bright future in optical field!
