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laser crystal rods laser bar for yag / diode laser handpiece with yellow pink color

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laser crystal rods laser bar for yag / diode laser handpiece with yellow pink color

$246.12$516.12

SKU: 1005002760208745 Category:

Description

Top quality laser crystal rods laser bar for yag / diode laser handpiece with yellow pink color in stock

 

  • Function: laser crystal
  • Size: 5*85mm
  • Model Number: BM-YR-002
  • Material: Other
  • color: Pink
  • quality: High optical quality
  • characteristic: Anti ultraviolet radiation characteristics
  • performance: High efficiency, low threshold
  • thermal stability: Good thermal stability
  • rate: Good repetition rate

Top quality laser crystal rods laser bar for yag / diode laser handpiece with yellow pink color in stock

Nd: YAG crystal is currently the best solid-state laser material with high gain, low threshold, high efficiency, low loss, good thermal conductivity and thermal shock resistance. It is suitable for a variety of laser operation modes (continuous, pulse, Q-switch, mode locking, frequency doubling, etc.), and is widely used in industry, medical and scientific research fields

Technical Indicators

Doping concentration

Nd: 0.2~1.3at%

Crystalline orientation

[111]or[100],deviation5°within

Wavefront distortion

See the table below for details.

extinction ratio

See the table below for details.

Crystal rod size

diameter:2~15 mm, length:3~200 mm
Other on request

Dimensional tolerance

diameter:+0.00/-0.05mm, length:±0.5mm

Cylindrical Processing

400#Abrasive finishing or polishing

End-face parallelism

≤ 10″

Verticality between end face and rod axis

≤ 5′

End flatness

λ/10 @632.8nm

surface quality

10-5 (MIL-O-13830A)

Inverted side

0.15±0.05mm

Reflectivity of antireflective film

≤ 0.25% @1064nm

Laser Damage Threshold of Coatings

≥500MW/cm2

Extinction ratio and wavefront distortion of crystal rods are shown in the table below.:

Diameter of crystal rod

Optical homogeneity

Standard level

Optimum Level

Ф3~Ф5mm

Wavefront distortion

≤0.25λ/25mm

≤0.063λ//25mm

extinction ratio

≥25dB

≥28dB

Ф6~Ф8mm

Wavefront distortion

≤0.35λ/25mm

≤0.1λ//25mm

extinction ratio

≥22dB

≥25dB

Ф9~Ф12mm

Wavefront distortion

≤0.5λ/25mm

≤0.125λ//25mm

extinction ratio

≥20dB

≥23dB

Ф13~Ф15mm

Wavefront distortion

≤0.6λ/25mm

≤0.25λ//25mm

extinction ratio

≥18dB

≥20dB

Optical and spectral properties

Laser Transition

4F3/2 → 4I11/2

Laser Wavelength

1064nm

Photon energy

1.86×10-19J@1064nm

Emission linewidth

4.5Å @1064nm

Launch cross section

2.7~8.8×10-19cm2@1at% Nd

fluorescence lifetime

230μs@1at% Nd

Diode Pumped Absorption Wavelength

808nm

Pump Absorption Bandwidth

1nm

Main Pumping Zone Range

400~850nm

Refractive index

1.8197@1064nm

Physical and chemical properties

crystal structure

Cubic system

lattice constant

12.01 Å

melting point

1970℃

Mohs hardness

8.5

density

4.56±0.04g/cm3

specific heat

0.59J/g.cm3@0-20℃

Modulus of elasticity

310GPa

Young’s modulus

3.17×104Kg/mm2

Poisson ratio

0.3

Tensile strength

0.13~0.26GPa

thermal expansion coefficient

[100]direction:8.2×10-6/℃@ 0~250℃

[110]direction:7.7×10-6/℃@0~250℃

[111]direction:7.8×10-6/℃@0~250℃

Thermal conductivity

14W/m/K@20℃

10.5W/m/K@100℃

Thermo-optical coefficient(dn/dT)

7.3×10-6/℃

Thermal shock resistance

790W/m

solubility

Insoluble in water,Slightly soluble in ordinary

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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