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SFG10 Filter Glass / Silicate Glass High UV Cutoff Infrared Cut Off Capability

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SFG10 Filter Glass / Silicate Glass High UV Cutoff Infrared Cut Off Capability

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Place of Origin : China

Brand Name : CRYLINK

Certification : Iso9001

MOQ : 1 Pieces

Price : negotiation

Packaging Details : Carton

Delivery Time : 3-4 weeks

Payment Terms : TT

Supply Ability : 100 pieces /month

Name : SFG10 Filter Glass

Refractive Index (d 589.3nm) : 1.563

Refractive Index (1053nm) : 1.57

Abbe Value : 56.6

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SFG

SFG10 silicate glass has high UV cutoff and infrared cut-off capability, it can be used as a laser cavity materials to absorb one micron and unwanted UV and IR radiation in high energy laser systems with high repetition rates

Parameter
Optical Specifications
UV Cutoff (5mm,2% transmission) (nm) 350
IR Cutoff (nm) 2500
Refractive Index (d 589.3nm) 1.563
Refractive Index (1053nm) 1.57
Abbe Value 56.6

Thermal Specifications
Transformation Temp. (℃) 490
Softening Temp. (℃) 540
Coeff.of Linear Thermal Expansion (10-7 /K) (30~100℃) 87
Coeff.of Linear Thermal Expansion (10-7 /K) (30~300℃) 100
Thermal Conductivity (25 ℃) (W/mK) 1.1

Other Specifications
Density (g/cm3 ) 2.87
Dw(H2O 98℃) (mg/(cm2/day)) 0.109

  • Feature
  • High optical density
  • High transmittance of visible light
  • Excellent light absorption characteristics

Diffuse-reflection Pumping Cavity

Two key technologies have been used in the pumping cavity. Firstly, SFG-silicate glass is used as a filter to prevent the color centers and reduce the thermal effects in the laser medium. Moreover, SFG-silicate glass
has a strong absorption at the emission peak of Nd3+, which is helpful to reduce the radial ASE and increase the stored energy in gain medium. Secondly, the reflector is diffuse type. By optimizing the pumping structure, uniform pumping distribution and high pumping efficiency are achieved, which is very important for good beam quality. This kind of pumping cavity is a perfect choice for high-energy laser system with high repetition.

Pumping distribution on the cross section of laser rod in a four-lamp pumped cavity

The laser cavity for Nd3+:YAG rod Laser gain with and without glass filter (18mm Nd3+:YAG rod)


Product Tags:

erbium doped glass

      

nd glass

      
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