• HOME
  • About Us
  • Products
  • Technical Support
  • Production Capacity
  • Partners
  • Contact Us
  • Download

此页面上的内容需要较新版本的 Adobe Flash Player。

获取 Adobe Flash Player

Product Catalog

Crystal Products

    1. Optical Crystals
    1. CaF2
    1. LiF
    1. MgF2
    1. BaF2
    1. Scintillation Crystals
    1. CsI:Tl
    1. NaI:Tl
    1. BGO
    1. Ce:LaCl3
    1. Ce:LaBr3
    1. Eu:CaF2
    1. PbWO4
    1. CeF3
    1. Laser Crystals
    1. Ti:Sapphire
    1. Nd:GdVO4
    1. Nd:YVO4
    1. Nd:YLF (Er/Tm/Ho etc.)
    1. Nd:YAG (Er/Cr/Yb etc.)
    1. Nonlinear Crystals
    1. LiNbO3
    1. LBO
    1. BBO
    1. KDP KD*P
    1. KTP
    1. KTA

Optics Products

    1. Optical Filters
    1. Laser antireflection film
    1. Long-wave communication cutted interference filters
    1. Short-wave communication cutted interference filters
    1. Near-infrared narrowband interference filters
    1. Visible light narrowband interference filters
    1. Ultraviolet interference filters
    1. Optical Lenses
    1. Plane convex lens
    1. Double agglutination achromatic concave lens
    1. Double agglutination achromatic lens
    1. Meniscus lens
    1. Double concave lens
    1. Double convex lens
    1. Plano-concave lens
    1. Optical Prisms
    1. Dove Prisms
    1. 90 Degree Bending Prisms
    1. Optical Windows
    1. Rectangular windows
    1. Circular windows
    1. Optical Mirrors
    1. Pumping Beam and Basic Frequency Laser mirror
    1. High Energy/Power Partially Reflecting Laser Mirrors
    1. High Energy/Power Laser Mirrors
    1. Rectangular Plane Mirrors
    1. Optical Waveplates
    1. Achromatic Waveplates
    1. Dual Wavelength Waveplates
    1. Multi Order Waveplates
    1. Low Order Waveplates
    1. Zero Order Waveplates
    1. True Zero Order Waveplates
    1. Optical System
    1. F-θ Lens
    1. Laser Beam Expanders

Fibers Products

    1. Specialty Fibers
    1. Polarization-Maintaining Fiber
    1. Plastic-clad Silica Fiber(BGHP)
    1. Gradient-index VIS-IR silica fibers (GITU)
    1. Visible light optimized silica fibers (BGOU)
    1. Visible-Near Infrared low hydroxyl Spectrum analysis optical fibers (BGWU)
    1. Visible-Near Infrared wide spectrum applied silica fiber (BGTU)
    1. Anti-irradiation Silica Fiber (BGHR)
    1. Ultraviolet Light Optimized Silica Fiber(BGSU)
    1. Fiber Assemblies
    1. FE-G Series Optical Fiber Endoscope
    1. FE-01 Series Micro Endoscope
    1. Optical Fiber Jumper SMA-905 connector
    1. UV-curing optical fiber bundle
    1. Fiber Bundles(glass fiber/glass fiber)
    1. Fiber Bundles (Silica fiber/Silica fiber)
    1. Fiber Bundles
    1. Quartz Substrate and Quartz Tu
    1. Quartz Substrate and Quartz Tu

Specialty Glass

    1. Scum Glass
    1. Flux for Centrifugal Casting of Composite Roll
    1. Enveloping Glass
    1. Sealing Glass and its Products
    1. High Temperature Coating Mater
    1. High Temperature Resistant Coating Material

Contact Us

+86-10-81508344(Sales Department)
No.5, Xingguang 4 Ave ,Opto-Mechatronics Industrial Park ,TongZhou district,Beijing 101111,China

Laser Crystals

  • Product Name: Nd:YLF (Er/Tm/Ho etc.)
  • Dopant Concentration Tolerance :+/- 0.1%
  • Parallelism:< 10 arc seconds
  • Perpendicularity:< 5 arc minutes
  • Chamfer:0.1mm at 45°
  • Clear Aperture:95%
  • Scratch and Dig:10/5
  • Surface Flatness:λ/10 at 633nm
  • Wavefront Distortion:λ/10 at 633nm (< dia7mm) λ/8 at 633nm (≥ dia7mm)
  • Damage Threshold:Over 15 J/cm2 TEM00, 10ns, 10Hz

Product overview

Neodymium doped Yttrium Lithium Fluoride (Nd:YLF) is a good performance laser crystal, with low thermal lensing effect and high power. We can offer Nd, Pr, Er, Tm, Ho and no doped YLF crystals performing the specifications upon your request.



Scitlion is able to offer
Nd dopand concentration from 0.4% to 1.2% (atm%)
Er dopand concentration from 0.5% to 3% (mol%)
Rod diameter from 1mm to 25.4mm
Length from 1mm to 180mm
Coating upon your request


\\












Nd:YLF Crystal Properties

Optical Properties  
Peak Stimulated Emission Cross Section 1.2 x 10-19 cm2 at 1053 nm (E⊥c-axis)
1.81 x 10-19 cm2 at 1047 nm (E∥c-axis)
Transparency Region 180 nm to 6.7 μm
Spontaneous Fluorescence Lifetime 485 μs for 1% Nd
Scatter Losses < 0.2% cm-1
Peak Absorption Coefficient (1.2% Nd) a=3.59 cm-1 at 797 nm (E⊥c-axis)
a=10.8 cm-1 at 792 nm (E∥c-axis)
   
Physical Properties  
Chemical Formula LiY1.0xNdxF4
Crystal Structure Tetragonal
Lattice Constants a=5.16A  c=10.85A
Concentration ~ 1.4 x 1020 /cm3 for 1% Nd doped
Density 3.99 g/cm3
Melting Point 819℃
Knoop Hardness 300 Kg/mm2
Refractive Index 1.82
Thermal Expansion Coefficient 8.3 x 10-6 /K, 0-250℃along c-axis
13.3 x 10-6 /K, 0-250℃along c-axis
Thermal Conductivity 0.063 W/cm/K
Specific Heat 0.79 J/g K

dn/dT    
Wavelength E⊥c-axis E∥c-axis
436 nm -0.54 x 10-6 /℃ -2.44 x 10-6 /℃
578 nm -0.91 x 10-6 /℃ -2.86 x 10-6 /℃
1064 nm -2.00 x 10-6 /℃ -4.30 x 10-6 /℃
     
Refractive Index    
Wavelength ‘no ‘ne
262 nm 1.485 1.51
350 nm 1.473 1.49
525 nm 1.456 1.479
1050 nm 1.488 1.470
2065 nm 1.442 1.464
Sellmeier Equation  
no2 = 1.38757 + 0.70757λ2/(λ2-0.00931) + 0.18849λ2/(λ2-50.99741)
ne2 = 1.31021 + 0.84903λ2/(λ2-0.00876) + 0.53607λ2/(λ2-134.9566)

Copyright © 2013 Beijing Scitlion Technology Corp., Ltd. ICP 13009825-1 Tel:+86-10-81508344
No.5, Xingguang 4 Ave, Opto-Mechatronics Industrial Park, Tongzhou district, Beijing 101111, China.