BBO Crystal (Beta-Barium Borate Crystal)
BBO crystal is an important nonlinear optical crystal with combination of unique optical properties. Broad transmission and phase matching ranges, large nonlinear coefficient, high damage threshold and excellent optical homogeneity provide attractive possibilities for various nonlinear optical applications.
UPT offers BBO specification:
LBO Crystal (Lithium Triborate Crystal)Note: OEM Dimension, different axis angle cutting and coating and damage threshold upon request others are available upon request.
LBO crystals is an excellent nonlinear crystal. For frequency doubling(SHG),tripling(THG) of Nd:YAG,Nd:YLF,Nd:YVO4 lasers, it is one of the most useful nonlinear optical materials in ultraviolet and visible laser applications.
Advantages:
broad transparency range from 160nm to 2600nm (see Figure 1);
high optical homogeneity (n10-6/cm) and being free of inclusion;
relatively large effective SHG coefficient (about three times that of KDP);
wide acceptance angle and small walk-off;
type I and type II non-critical phase matching (NCPM) in a wide wavelength range;
spectral NCPM near 1300nm.
high damage threshold(18.9 GW/cm 2 for a 1.3ns laser at 1053nm);
LBO has the highest damage threshold in all the commonly-used inorganic NLO crystals. Therefore, it is the best candidate for high average power SHG and other nonlinear optical processes.
SHG, THG of Nd lasersLBO's main applications
SHG of Ti:Sapphire, Cr:LiSAF and Alexandrite lasers
OPA and OPO
UPT offer LBO specification:
Note: OEM Dimension, different axis angle cutting and coating and damage threshold upon request, others are available upon request.
Payments:T/T
Delivery:2days for stock,OEM about 3-5weeks
Origin:CHINA
Packing:optical package
Inspection:MIL
Samples:Charge
Sample Price:$0.10
Diffusion Bonded Crystal
Bonding (Diffusion bonded) crystals consist of one laser crystal and one or two undoped material. They are combined by optical contact method and further bonded under high temperature. Diffusion Bonded Crystal helps to decrease thermal lens effect considerably.
UPT can supply various standard assembly types as follows:
Material
Doping concentration(atm) or Optical Density(cm-1)
Aperture (mm)
Length of laser crystal(mm)
YVO4+ Nd:YVO4 + YVO4
0.1%-3%
11-2020
0.15-30
2-15
YAG+Nd:YAG+ YAG
0.1%-2.5%
11-2020
0.125-200
2-15
YAG+Nd:YAG+Cr4+:YAG
0.1%-2.5% / 0.6~7
11-2020
0.125-200
2-15
YAG+Nd:Ce:YAG+ Cr4+:YAG
0.6~7
11-2020
0.125-200
2-10
YAG+Yb:YAG+ Cr4+:YAG
1%-45% / 0.6~7
11-2020
0.125-200
2-10
We have several assembly types as follows :
For other assembly type and coating with HR+HT / PR/AR/HR are available, please contact us for more information.
Payments:T/T
Delivery:2days for stock,OEM about 3-5weeks
Origin:CHINA
Packing:optical package
Inspection:MIL
Samples:Charge
Sample Price:$0.10
Bonding (Diffusion bonded)crystals consist of one laser crystal and one or two undoped material. They are combined by optical contact method and further bonded under high temperature. Diffusion Bonded.
ND:YAG
Description: Nd:YAG (neodymium-doped yttrium aluminum garnet; Nd:Y3Al5O12) is a crystal that is used as a lasing medium for solid-state lasers. The dopant, triply ionized neodymium, typically replace...
ND:YVO4
Description: Nd:YVO4 is one of the most efficient laser host crystals for all-solid-state laser diode pumped lasers. Its large stimulated emission cross-section at lasing wavelength, high absorption.
Payments:T/T
Delivery:2days for stock,OEM about 3-5weeks
Origin:CHINA
Packing:optical package
Inspection:MIL
Samples:Charge
Sample Price:$0.10
Mirror
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Mirror is a reflecting surface that forms an image of an object when light rays coming from that object fall upon it. Usually mirrors are made of plate glass, one side of which is coated with metal or some special preparation to serve as a reflecting surface.
UPT offers dielectric coated mirrors and metal coated mirrors which are made of substrate such as Bk7, K9, Fused Silica, CaF2, Sapphire.
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Specifications:
Material:
BK7 Grade A Optical Glass
Typical Diameter (mm)
8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 50.8
Typical Thickness (mm)
2.0, 3.5, 5.0, 6.5
Diameter Tolerance (mm)
+/-0.2 (General), +0.0/-0.02 (High Precision)
Thickness Tolerance (mm)
±0.2 (General), ±0.05 (High Precision)
Clear Aperture
>80% (Small Size), >95% (Large Size)
Parallelism
6 min. (General), 3 sec. (High Precision)
Surface Quality
80/50 (General), 10/5 (High Precision)
Flatness (per 25mm@633nm)
(General), /10 (High Precision)
Bevel (face width x 450)
Payments:T/T
Delivery:2days for stock,OEM about 3-5weeks
Origin:CHINA
Packing:optical package
Inspection:MIL
Samples:Charge
Sample Price:$0.10
Remarks:
United Photonics Technology
Waveplates
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Principle / Application /4 Waveplate
UPT quarter waveplates create a quarter-wavelength phase shift (�?/2, 90°) and can convert linear polarization to circular polarization and vice versa. They are often used with a linear polarizer to form an isolator, blocking light reflected back from other surfaces (ellipsometry, optical pumping, isolation).
Principle / Application /2 Waveplate
UPT half waveplates retard one polarization direction by half a wavelength (, 180°), effectively changing the direction of linear polarization, depending on the orientation of incident linear polarization with respect to the crystal axis. Therefor they can be used as continuously adjustable polarization rotators e.g. in electro optical modulation or as a variable beam splitter when used in combination with a polarizing beam splitter.
Payments:T/T
Delivery:2days for stock,OEM about 3-5weeks
Origin:CHINA
Packing:optical package
Inspection:MIL
Samples:Charge
Sample Price:$0.10
Spherical lens
Achromatic Lenses
Cylindrical Lenses
Lenses
Lenses have many applications ranging from the simple collection of a laser beam to precision imaging and image transfer. Lenses are classified as single lenses, cylindrical lenses and achromatic lenses. These lenses are made of BK7, fused silica and CaF2. Special focusing systems can be designed by our engineers upon request.
Spherical lens
LENSE TYPE MATERIALS ILLUSTRATION ..
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Achromatic Lenses
These lenses are made of BK7, fused silica and CaF2. Special focusing systems can be designed by our engineers upon request. LENSES ..
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Cylindrical Lenses
Cylindrical lenses are used to correct astigmatism in the eye and in rangefinders, to produce astigmatism, stretching a point of light into a line, they are widely used in bar code scanning, projectio..
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LENSE TYPE
MATERIALS
ILLUSTRATION
PROPERTIES AND APPLICATIONS
Plano-Convex Lens
BK7/ Fused Silica/ Sapphire CaF2/other optical glass
Positive focus length. Most suitable where one conjugate is more than five times the other, e.g. in sensor applications or for use with near collimated light. Also where both conjugates are on the same side of the lens, e.g. as an add-on lens to increase the numerical aperture.
Double-Convex Lens
BK7/ Fused Silica/ Sapphire CaF2/other optical glass
Most suitable where the conjugates are on opposite sides of the lenses and the ratio of the distances is less than 5:1, e.g. as simple image relay components.
Plano-Concave Lens
BK7/ Fused Silica/ Sapphire CaF2/other optical glass
Negative lens with the form most suitable where one conjugate is more than five times the other, e.g. producing divergent light from a collimated input beam.
Double-Concave Lens
BK7/ Fused Silica/ Sapphire CaF2/other optical glass
Negative lens with the form most suitable to producing divergent light or a virtual image, where the input light is converging.
Positive Meniscus Lens
BK7/ Fused Silica/ Sapphire CaF2/other optical glass
These lenses may be used to increase the numerical aperture of a positive lens assembly, without an undue increase in the aberrations.
Negative Meniscus Lens
BK7/ Fused Silica/ Sapphire CaF2/other optical glass
These lenses may be used to increase the numerical aperture of a positive lens assembly, without an undue increase in the aberrations.
Mount For Lenses
Black Anodized Aluminum
Used to fix position of lenses.Surface irregularity < �»/4 < �»/8
Protective bevel 0.25 + 0.25, -0.0mm 0.2 ± 0.1mm
Payments:T/T
Delivery:2days for stock,OEM about 3-5weeks
Origin:CHINA
Packing:optical package
Inspection:MIL
Samples:Charge
Sample Price:$0.10
UPT can offer high specs of C lens, Dimension as 1.0-3.5mm,
detail specs of C lens
material :N-SF11,N-BK7,H-K9L,7980OF or other optical glass
dimension tolerance:+ 0.000 / -0.010 mm,
for example 0.500-3.50 mm
Thickness tolerance:±0.02mm
CA:> 90%
Focal length tolerance :±3%
design wavelength :632.8nm
SQ :S/D 40-20 or 20-10
Flatness:
Payments:T/T, Western Union
Delivery:2days for stock,OEM about 3-5weeks
Origin:CHINA
Packing:optical package
Inspection:IL
Samples:Charge
Sample Price:$0.10
Remarks:www.unitedphtech.com
United Photonics Technology
UPT provides many kinds of high precision prisms, including Penta Prism, Beamsplitter Penta Prism, Right Angle Prism, and Corner Cube. Our micro Penta Prism and Right Angle Prism are widely used in optical communication, such as optical switches. Other kinds of prisms, such as Dove Prism and Roof Prism are also available upon request.product image
Penta Prisms
Penta prism can deviate an incident beam without inverting or reversing to 90.The deviation angle of 90 is independent of any rotation of the prism about an axis parallel to the line of intersection o..
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Beamsplitter Penta Prism
By adding a wedge and with partial reflective coating on first reflective surface, Penta Prism can be used as Beamsplitter.We supply Beamsplitter Penta Prism with standard Transmission/reflection (T/R..
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Wedge
wedge prism can be used to bend a laser beam to a set angle. In tandem, these prisms can serve as an anamorphic pair for correcting the elliptical shape of diode outputs or steering a beam anywhere wi..
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Right Angle Prisms
A right-angle prism is used as a mirror to deviate light through 90 degrees and also as a reflector to deflect light through 180 degrees by total internal reflection. Applications: Imaging Optical S..
Corner Cube Retroreflectors
Corner Cube Prism is also called Retroreflector or Trihedral Prism. In the Corner Cube Prism, three reflecting surfaces are perpendicular to each other, like the side wall of the cube. The input surfa..
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Anamorphic Prisms
With a anamorphic prism, the beam size can be changed along the axis while leaving the beam unchanged along the other axis, so the beam can be expanded, reduced or reshaped. Anamorphic prisms are use..
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Dove Prisms
The Dove Prism is also called Image Rotator. The prism rotates the image without changing the direction of the input beam, which is parallel to hypotenuse. Rotation of the prisms in relation to the su..
Rhomboid Prisms
Rhomboid prisms (off-set prism) are commonly used to displace a laser beam without changing its direction. In imaging applications, rhomboid prisms will displace the optical axis without inverting the..
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Reflection Prism
The reflection prisms are usually used for diverging the ray or for changing image location in relation to the subject (rotation, inversion). All the surfaces of the reflection prisms are flat. Reflec..
Payments:T/T
Delivery:2days for stock,OEM about 3-5weeks
Origin:CHINA
Packing:optical package
Inspection:MIL
Samples:Charge
Sample Price:$0.10
Corner Cube Prism is also called Retroreflector or Trihedral Prism. In the Corner Cube Prism, three reflecting surfaces are perpendicular to each other, like the side wall of the cube. The input surface is perpendicular to the cube diagonal. Disregarding the angle of incidence, the output beam is parallel to the input one, but it is of opposite direction. Inset of the several corner prisms, for better matching, their entrance-exit surface is often hexagonal. In case of this prism the phenomenon of full internal reflection occurs so it is not necessary, (however it is possible) to put mirror coating on the reflecting faces. Normally the reflection surfaces are Al reflection coating, and then covered with Cu and Black Painting.
Payments:T/T
Delivery:2days for stock,OEM about 3-5weeks
Origin:CHINA
Packing:optical package
Inspection:MIL
Samples:Charge
Sample Price:$0.10
Wollaston Polarizers
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Wollaston polarizer is made of two birefringent material prisms that are cemented together. The deviations of the ordinary and extraordinary beams are nearly symmetrical about the input beam axis, so that the Wollaston polarizing beam splitter has approximately twice the deviation of the Rochon. The separation angle exhibits chromatic dispersion, as shown in the blow. Any separation angle can be designed upon the requirement. The separation angle of standard products vs wavelength is shown in the plot below.
Separation Angular of Standard Products vs Wavelength
Material:
a-BBO , Calcite , YVO4 , Quartz
Wavelength Range:
a-BBO:190-3500 nm, Calcite:350-2300 nm, YVO4:400-5000 nm, Quartz:200-2300 nm
Extinction Ratio:
Calcite,Quartz:
Payments:T/T
Delivery:2days for stock,OEM about 3-5weeks
Origin:CHINA
Packing:optical package
Inspection:MIL
Samples:Charge
Sample Price:$0.10
UPT offer various of quartz tube with competitive price,
large aperture quartz tube no bubbles, no airline, transparent, OEM sharp are ok,
