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Er:Cr:YSGG Laser Crystal

Er,Cr:YSGG Laser Crystal replaces Ga3+ or Sc3+, Y3+ replaces Er3+, which has the advantages of large size, small optical damage, high optical quality, and low laser threshold. Laser crystal pumps usually use flash lamps or laser diodes.

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Description

Er,Cr:YSGG Laser Crystal
In Cr, Er: YSGG crystals, Cr3+ replaces Ga3+ or Sc3+, Y3+ replaces Er3+, which has the advantages of large size, small optical damage, high optical quality, and low laser threshold. Laser crystal pumps usually use flash lamps or laser diodes. 970nm laser diodes are considered to be the first choice for 2790nm Er, Cr:YSGG laser pumping. It can directly excite Er3+ to the upper energy level of the laser, with high efficiency and low energy consumption. . At present, in order to achieve pulsed laser output, people have adopted a variety of methods to switch Q (such as acousto-optic, electro-optic, FTIR). Due to the particularity of the laser wavelength, this laser is widely used in medical, scientific research, material processing, military and other fields.

Feature
Good crystal quality
Super mechanical performance
Low pump threshold
High beveling efficiency
Work at IF

Material specifications

Crystal structure	cube
Chemical formula	Y2.93Sc1.43 Ga3.64O12
Lattice constant	12.42 Å
concentration	30 at % (3.7 x 1021 cm-3 ,Dodecahedron Er3+)
concentration	2 at % (1.7 x 1020 cm-3 ,Octahedron Cr3+)
Wavefront distortion (bar length per inch)	2-Jan
Surface Quality	10 – 5
Verticality	5 ‘
Parallelism	30〞
Precision grinding	55 microinch ±5 microinch
Chamfer	45 deg ±5 deg
Chamfer	0.005 ±0.003 in
Length tolerance	+0.040 / -0.000 in
Diameter tolerance	+0.0000 / -0.0020 in

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