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TSAG

Features:
The large Verdet constant (48radt-1m-1 at 1064nm) is about 20% higher than that of TGG;
●Low absorption (< 3000ppm / cm at 1064nm);
●High power compatibility;
●Low thermal birefringence;
Applications:
●Faraday rotator
●Isolator

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Terbium scandium aluminum garnet (TSAG) crystal is an ideal magneto-optical material, suitable for visible and infrared wavelengths (wavelength range: 400-1600nm). TSAG crystal has the advantages of high stability, good thermal and mechanical properties, which is essential for the next generation of high-power lasers.

Compared with TGG crystal, TSAG has higher feld constant and lower absorption loss, which makes the isolator more compact and is an ideal material for high power optical isolator.

Chemical formula

Tb3Sc2Al3O12

crystal structure

Cubic

Lattice constant

a=12.3Å

Growth method

Czochralski

Density

5.91g/cm³

Melting point

1970±10℃

Range of transmittance

400-1600nm

Verdet constant

218/152/65@532nm/633nm/1064nm

Crystal orientation

±15′

Wavefront distortion

<λ/8@633nm

Extinction ratio

>30dB

Diameter tolerance

+0mm/-0.05mm

Length tolerance

+0.1mm

Chamfering

<0.1*45°

Flatness

<λ/10@633nm

Parallelism

<30″

Lateral lobe

15′

Surface quality

10/5

Coating

According to customer requirements

Crystal orientation

±15′

Note: Parameters above can be customized as required.


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