WTS PHOTONICS CO., LTD-sfyh.com

High Precision Calcite Birefringent Crystals

Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3).It's a negative uniaxial crystal and mostly used as visible and near IR polarizers. It has high birefringence, wide spectral transmission and availability in reasonably sized rhombs.

α-BBO Birefringent Crystals

Alpha-BBO Crystals is high temperature phase of BaB2O4 is an excellent birefringent crystal; it is characterized by large birefringent coefficient and wide transmission window from 189nm to 3500nm.

Ti-Sapphire Laser Crystal

Titanium-doped Sapphire（Ti3+:Al2O3）crystals combine supreme physical and optical properties with broadest lasing range which is most widely used crystal for wavelength tunable lasers.

High Precision Nd:YVO4 Laser Crystal

Yttrium Vanadate (Nd:YVO4) is one of the most efficient laser host crystal currently existing for diode laser-pumped solid-state lasers.

YAG Laser Crystal

YAG Laser Crystal, Un-doped YAG Crystal (pure YAG) Nd:YAG (Neodymium-doped yttrium aluminium garnet; Nd:Y3Al5O12) Yb:YAG(Ytterbium-doped yttrium aluminium garnet;Yb:Y3Al5O12) Cr4+:YAG(Chromium-doped yttrium aluminium garnet;Cr4+:Y3Al5O12) ER:YAG(Erbium-doped yttrium aluminium garnet;Er:Y3Al5O12)

Optical Gold Coated Mirrors

Optical Gold Coated Mirrors Average Reflectance >94% from 800 nm to 20 µm Shape could be customized: Round, Square, Elliptical, Right angle prisms Material could be customized: Fused silica, Pyrex, N-BK7

Optical Aluminum Coated Mirrors

Optical Aluminum Coated Mirrors Average Reflectance >88% from 450 nm to 10 µm Shape could be customized: Round, Square, Elliptical, Right angle prisms Material could be customized: Fused silica, Pyrex, N-BK7

Optical Silver Coated Mirrors

Optical Silver Coated Mirrors Average Reflectance >90% from 400 nm to 20 µm Shape could be customized: Round, Square, Elliptical, Right angle prisms Material could be customized: Fused silica, Pyrex, N-BK7

High Reflective Broadband Dielectric Mirrors

Dielectric Mirrors offer near total reflection, minimizing losses in nearly all optical systems. AOI=45°, R>99.5% (Rs>99.9%, Rp>99.2%). AOI=0°, R>99.8%

Hot and Cold Mirrors

Hot and Cold Mirror is applications IR-Filters for CCD-Chips Projectors Lighting Systems Detector Trimmers Sensors. Hot Mirrors Reflect IR Cold Mirrors Reflect Visible Light 0° and 45° AOI Available

Optical Brewster Mirror and Elliptical Shape Mirrors

Elliptical Shape Mirrors Made of by Fused Silica or N-BK7 Coated by Dielectric coating or metal (Al, Au, Ag)coating Shape could be customized

Cut-Off Colored Glass Filters

Cut-off Colored Glass Filters The glass is named based on spectral characteristic of which is represented by the wavelength transmission limit. Short Pass Color Glass Filters Long Pass Color Glass filters

Selective Absorption Colored Glass Filters

Selective Absorption Colored Glass Filters This part of the glasses can be divided into 14 kinds and 78 types based on the color and application in this catalogue.

Neutral Colored Glass Filters

Neutral Colored Glass Filters are named based on the average transmissivity characteristics in 400nm to 700nm wavelength with 2mm thick For example ZAB70 means 70%.

Optical Coated Bandpass Filters

Bandpass filters are allow special wavelength for transmission and block all other wavelength light.

IPL Filters for Intense Pulsed Light Machine

IPL filter is the key optical element for IPL (intense Pulsed Light) machine, Their main application: 1. Photrevujenation 2. Hair removal 3. Vascular 4. Acne treatment.

High Precision Glass X-Cube and RGB Prisms

X-Cube (RGB Prism) Used under any polarization state High brightness Excellent White balance

Polarizing Beamsplitter Cubes (PBS)

Polarizing Beamsplitter Cubes are constructed by cemented two right angle prisms High Damage Threshold Coated for Laser line 355, 405, 532, 633, 780 - 808, 1064 nm or Broadband

LBO Nonlinear Crystals

LBO(Lithium Triborate LiB305) is a newly developed nonlinear optical crystal.It is unique in many aspects,especially its wide transprency range,moderately high nonlinear coupling,high damage threshold and good chemical and mechanical properties.

BBO Nonlinear Crystals

BBO Crystal is an efficient NLO crystal for the second, third and fourth harmonic generation of Nd:YAG lasers, and the best NLO crystal for the fifth harmonic generation at 213 nm.

KDP&DKDP Nonlinear Crystal

KDP&DKDP Crystal are commonly used for doubling, tripling and quadrupling of Nd:YAG laser at the room temperature.

KTP Nonlinear Crystals

KTP crystal is mostly used as nonlinear crystals for frequency doubling of solid-state Nd:YAG crystal or Nd:YVO4 crystal laser, as it has large nonlinear optical coefficients, wide angular bandwidth and small walk-off angle, broad temperature and spectral bandwidth.

High Precision Achromatic Waveplate

Achromatic Waveplate Achromatic Waveplates(Retarders), AWP is composed of one piece of Crystal Quartz and one piece of Magnesium Fluoride, MgF2.

High Precision Zero Order Waveplates

Zero order waveplate are constructed of two multiple order waveplates which is designed to give a retardance of zero full waves, plus the desired fraction. 1. Zero Order Waveplates-Cemented by Epoxy 2. Zero Order Waveplates-Optically Contacted 3. Zero Order Waveplates-Air-spaced

High Precision True Zero Order Waveplates

True Zero Order Waveplates 1. Constructed of a true zero order waveplate and a BK7 substrate.As the waveplate is very thin and easy to be damaged,the Bk7 plate's function is to strengthen the waveplate. 2. Single Plate

High Precision Dual Wavelengths Waveplate

Dual Wavelengths Waveplate is a multiple waveplate that provide a specitfic retardance at two different wavelengths Operates as λ/2 @ λ1 & as λ/4 @ λ2 Dual Wavelength Operation 532 nm/1064 nm

High Precision Low Order Waveplate

Low Order Waveplate(Multiple order waveplates) are made from a single crystalline plate, are designed to give a retardation of several full waves, plus the desired fraction.

Non-Polarizing Cube Beamsplitters (NPBS)

Non-Polarizing Beamsplitters Cube 10:90, 30:70, 50:50, 70:30, or 90:10 Split Ratios AR Coating on All Four Input and Output Faces

Broadband and Narrowband Non-Polarizing Plate Beamsplitters

Broadband and Narrowband Plate Beamsplitters Front surface (S1) :Beamsplitters coating Back surface (S2) :AR coating 10:90, 30:70, 50:50, 70:30, or 90:10 Split Ratios

Polarizing Plate Beamsplitters

Polarizing Plate Beamsplitters Laser line (Extinction Ratio 500:1) ,AOI= 45°: Tp>96% and Ts<0.2% Rp<4% and Rs>99.7%

IR Windows Silicon Windows

Silicon Windows are used for 1.2-7um Available Uncoated or AR Coated for 3 - 5μm Ideal for Weight Sensitive Applications

IR Windows Zinc Sulfide ZnS Windows

ZnS is used widely for IR components, windows and lenses, and applied for Thermal Imaging, long-wave infrared sensors.

Fused Silica Windows and Quartz Windows

Fused Silica material Advantages With Good UV and IR transmission, Low thermal expansion, providing stability and resistance to thermal shock, Wider thermal operating range and High laser damage threshold make Fused Silica windows could used for Laser, Medical, imaging etc. application.

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