Laser material Factory price Tm doped YAP Tm:YAP LD pumped laser emission laser crystal manufacturer from China

Tm: YAP crystal has an ideal medium for a solid-state laser source with a wavelength of 2 microns
  • Item NO.:

    GS-L007
  • Payment:

    L/C、 Western Union、 D/P、 T/T
  • Product Origin:

    Anhui, China
  • Max Size:

    Dia100mm
  • Orientation:

    <100>、<110>、<111>
  • Package:

    100 clean bag,1000 exactly clean bag
  • Product Detail

  • Specification

  • Process flow

  • Packaging

  • Transportation

  • FAQ

Tm: YAP crystal name Thulium-doped yttrium aluminate crystal, Tm: YAP crystal has an ideal medium for a solid-state laser source with a wavelength of 2 microns , and the self-quenching mechanism of the H4 and F4 energy levels of Tm: YAP can generate two-photons at the upper energy level. Excitation, which potentially makes the laser an effective way to obtain high quantum efficiency. The absorption band peak of H6 and H4 energy levels of Tm:YAP crystal is 795nm, which is very suitable for high-power AlGaAS laser diode pumping. And Tm: YAP crystal width of the absorption peak value than Tm: YAG crystals are wider, such that Tm: YAP crystal even when the wavelength change of flowing the diode is an ideal laser material.
The wavelength of the laser light emitted by the Tm:YAP crystal is related to the crystal direction. The most common cutting directions are a direction and b direction.

Tm: YAP crystal "A" cutting "B" cut
Absorption peak 794.8nm 793.5nm
Peak effective pump absorption coefficient (4% Tm) aa=3.6/cm aa=3.3/cm
Peak emission wavelength 1.98μm 1.98μm

Advantages of Tm:YAP crystals:

1)Excellent physical and chemical properties;

2)2 m m -band laser output efficiency is higher than Tm: YAG;

3)Direct linearly polarized light output;

4)LD pump absorption bandwidth is 4nm widerthan Tm:YAG crystal ;

5)The 795nm pump absorption band is bettermatchedthan the commonly used AlGaAs diode emission wavelength.

Technical index:

Doping concentration

Tm: 0.2~15at%

Crystal orientation

[010] or [100] ( Pnma ), within 5° of deviation

Crystal size

Diameter 2~10mm, length 2~100mm

Can be customized according to customer requirements

Wavefront distortion

≤ 0.125 l /25mm at 632.8nm

Extinction Ratio

≥ 25dB

Dimensional tolerance

Diameter: +0.00/-0.04, length ± 0.5mm

Cylindrical processing

Fine grinding or polishing

Parallelism of end face

≤ 10"

Perpendicularity of end face and rod axis

≤ 5′

Flatness of end face

l /8 at 632.8nm

Surface finish

10/5 (MIL-O-13830A)

Inverted

0.15±0.05mm

Anti-reflection coating reflectivity

≤ 0.25%

 

Spectral characteristics: 

Optical transition

3 F 4 ® 3 H 6

Absorption cross section

3.7~8.5 x 10 -21 cm 2

Fluorescence lifetime

4.4~7.7ms

Emission cross section

5~6 x 10 -21 cm 2

Emission wavelength

1.98 m m@a axis, 1.94 m m@b axis

Diode pump wavelength

794.8nm@a axis,793.5nm@b axis

Physical and chemical properties :

 

YAP

Space group

D 162h  (Pnma)

Lattice Changshu ( Å )

a=5.307, b=7.355, c=5.176

Melting point ( ℃ )

185 0 ± 30

Thermal conductivity (W · cm -1 · K -1 )

0.11

Coefficient of thermal expansion (10 -6 · K -1 )

4.3//a, 10.8//b, 9.5//c

Density (g/cm -3 )

5.35

Refractive index

1.943//a, 1.952//b, 1.929//c @589nm

Hardness ( Mohs )

8.5-9

 

 

YAP

Space group

D 162h  (Pnma)

Lattice constants( Å )

a=5.307, b=7.355, c=5.176

Melting point( ℃ )

185 0 ± 30

Thermal conductivity(W · cm -1 · K -1 )

0.11

Thermal expansion(10 -6 · K -1 )

4.3//a, 10.8//b, 9.5//c

Density(g/cm -3 )

5.35

Refractive index

1.943//a,1.952//b,1.929//c

 at 0.589 m m

Hardness(Mohs scale)

8.5-9


Q: Are you trading company or manufacturer ?
     We are factory.
Q: How long is your delivery time?
    Generally it is 3-5 days if the goods are in stock.
    or it is 7-10 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
    Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
     Payment <=5000USD, 100% in advance.
     Paymen >=5000USD, 80% T/T in advance , balance before shippment.
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