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{"title":"CaF2 Calcium Fluoride Crystals Optical Cubic Transparent In Wide Spetrum Band","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/02\/d1\/7acdcb57a8de1ad4c709a56e46eb-200x200-1\/caf2_calcium_fluoride_crystals_optical_cubic_transparent_in_wide_spetrum_band.jpg","attrs":{"Place of Origin":"China","Brand Name":"CRYLINK","Certification":"Iso9001","Minimum Order Quantity":"1 Pieces"}}
{"title":"YVO4 Birefringent Optical Crystals \/ Yttrium Vanadate Transmission 400nm To","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/e4\/53\/03d038fcd80a325a424de2613680-200x200-1\/yvo4_birefringent_optical_crystals_2f_yttrium_vanadate_transmission_400nm_to_4000nm.jpg","attrs":{"Brand Name":"CRYLINK","Certification":"Iso9001","Place of Origin":"China","Minimum Order Quantity":"1 Pieces"}}
{"title":"Tetragonal Optical Crystals \/ MgF2 Window Suitable For Excimer Lasers Deep UV","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/e8\/57\/1adbc3eb8ed5766016bc2ae67ccb-200x200-1\/tetragonal_optical_crystals_2f_mgf2_window_suitable_for_excimer_lasers_deep_uv.jpg","attrs":{"Place of Origin":"China","Brand Name":"CRYLINK","Certification":"Iso9001","Minimum Order Quantity":"1 Pieces"}}
{"title":"MgF2 Magnesium Fluoride Crystals \/ Magnesium Fluoride Window Tetragonal","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/8a\/29\/197ea5af0aab646bec145dd8d010-200x200-1\/mgf2_magnesium_fluoride_crystals_2f_magnesium_fluoride_window_tetragonal.jpg","attrs":{"Place of Origin":"China","Brand Name":"CRYLINK","Certification":"Iso9001","Minimum Order Quantity":"1 Pieces"}}
Barium fluoride (BaF2) is a general-purpose optical window material that offers a wide range of transparency, from the ultraviolet to the long-wave infrared, with low reflectance loss and low dispersion. BaF2 single crystal is an intensively studied scintillator for the detection of gamma radiation due to its relatively high stopping power, radiation hardness and extremely fast response. BaF2 possesses the fast cross-luminescence component at 195 and 220 nm with a lifetime of several hundred picoseconds. However, this component coexists with slow one at 310 nm related to the self-trapped exciton (STE). BaF2 is a broad band gap crystal with Eg=10:9 eV. It is currently regarded as the fastest inorganic scintillator which has cross-luminescence bands peaked at 195 and 220 nm and a broad band peaking at about 300 nm due to self-trapped excitons. Much attention has been focused on the luminescent properties of rare earth ions activated BaF2.
Features
Excellent transmission from 150nm to 12um
Chemically stable
Low reflectance loss and low dispersion
High stopping power, radiation hardness and extremely fast response
Broad band gap
Susceptible to thermal shock
Possesses the fast cross-luminescence component at 195 and 220 nm with a lifetime of several hundred picoseconds
Applications
Window and focusing mirror for deep uv and excimer lasers
Scintillator,IR optics
Inorganic scintillator for subnanosecond timing
Parameter
Material and Specifications
Orientation
[100] or [111] < ±0.5°
Angle Tolerance
< 0.5°
Parallelism
<20〞
Perpendicularity
5ˊ
Surface Quality
10-5 (MIL-O-13830A)
Wavefront Distortion
<λ/4@633 nm
Surface Flatness
<λ/8 @633 nm
Clear Aperture
>90%
Thickness/Diameter Tolerance
±0.05 mm
Physical and Chemical Properties
Crystal System
Isometric
Habit
Cubic
Space Group
Fm3m(Oh5
Lattice Constants
6.2001 Å
Specific mass
4.886 g/cm3
Melting Point
1354°C
Flexure Strength (MPa)
27
Tenacity
Brittle
Thermal Conductivity /(W·cm-1·K-1@25°C)
0.07
Specific Heat/ (J·g-1·K-1)
1.003
Thermal Expansion /(10-6·K-1@25°C )
13.7
Hardness (kg/mm2@Knoop)
78
Young`s Modulus /GPa
138.5
Fracture
{111} and {100}
Optical characteristics
Transmission Range
0.15 … 12 µm
Reflective Loss
6 … 16%@0.2 … 10 µm
Thermo-optic coefficient(10-6·K-1@30…90°C )
-18.8
Poisson Ratio
0.31
Dielectric Constant
7.33@f=2MHz
Index of Refraction
λ(μm)
n
λ(μm)
n
λ(μm)
n
0.2
1.5573
4
1.4558
9
1.4144
0.5
1.4779
5
1.4511
10
1.4011
1
1.4686
6
1.4441
11
1.3865
2
14647
7
1.4357
12
1.3696
3
1.4612
8
1.4258
12.5
1.3585
15
1.305
Spectrum
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2014
Employee Number:
90~100
Ecer Certification:
Active Member
Crylink is a manufacturer and supplier of Single Crystal Materials and optical components used in lasers, imaging and other optical areas. Crylink is one of the high tech company of Nanjing Institute of Advance Laser Technology(NIALT), which is the only one industrialization base of Shanghai Institu... Crylink is a manufacturer and supplier of Single Crystal Materials and optical components used in lasers, imaging and other optical areas. Crylink is one of the high tech company of Nanjing Institute of Advance Laser Technology(NIALT), which is the only one industrialization base of Shanghai Institu...