• Yb:KGW and Yb:KYW Crystals
Product ID Specifications Price Qty In Stock Qty Buy
9318551
Coatings: uncoated
Crystal material: Yb:KYW
Dimensions, mm: 5 x 5
End surfaces configuration: Brewster angle cut
Yb-concentration, %: 10
Orientation: Np (b-axis) is parallel to input/output faces
Perpendicularity: <10 arcmin
Protective chamfers: 1±0.2 mm x 45°
Shape: Rectangular
S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 632.8 nm
Surface quality, S-D: 20-10
Thickness, mm: 1
Wedge / Parallelism error: <5 arcsec
740.00
1
9318701
Coatings on S1: Uncoated
Coatings on S2: Uncoated
Crystal material: Yb:KYW
Dimensions, mm: 9.39 x 3
End surfaces configuration: Right-angle cut
Yb-concentration, %: 5
Shape: Rectangular
Surface quality, S-D: 10-5
Thickness, mm: 0.5
Wedge / Parallelism error: α=25.4°±1%; plane-brewster
1,176.00
1
9318711
Coatings on S1: [email protected]
Coatings on S2: [email protected]
Crystal material: Yb:KYW
Dimensions, mm: 5 x 5
End surfaces configuration: Right-angle cut
Yb-concentration, %: 10
Orientation: b-cut
Perpendicularity: <10 arcmin
Shape: Rectangular
S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 632.8 nm
Surface quality, S-D: 10-5
Thickness, mm: 0.125
Wedge / Parallelism error: <5 arcsec
750.00
3
9318761
Coatings on S1: R<1%@970-985%; R<0.2%@1010-1080
Coatings on S2: HR(R>99%)@970-985+HR(R>99.8%)@1010-1080 AOI=0°
Crystal material: Yb:KGW
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 5 x 5
End surfaces configuration: Right-angle cut
Yb-concentration, %: 5
Orientation: b-cut
Perpendicularity: <10 arcmin
Protective chamfers: <0.1 mm x 45°
Shape: Rectangular
S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 632.8 nm
Surface quality, S-D: 20-10
Thickness tolerance, mm: ±0.05
Thickness, mm: 1
Wedge / Parallelism error: <5 arcsec
710.00
1
9321342
Coatings on S1: Uncoated
Coatings on S2: Uncoated
Crystal material: Yb:KYW
Dimensions, mm: 4 x 2
End surfaces configuration: Right-angle cut
Yb-concentration, %: 5.7
Perpendicularity: <10 arcmin
Protective chamfers: <0.1 mm x 45°
Shape: Rectangular
S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 632.8 nm
Surface quality, S-D: 20-10
Thickness, mm: 1.05
Transmitted wavefront distortion, PV:
Wedge / Parallelism error: <5 arcsec
350.00
4
9322942
Coatings on S1: [email protected](R<0.1%)[email protected](R<0.6%)
Coatings on S2: [email protected](R<0.1%)[email protected](R<0.6%)
Crystal material: Yb:KYW
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 1 x 4
End surfaces configuration: Right-angle cut
Yb-concentration, %: 5
Shape: Rectangular
S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 632.8 nm
Surface quality, S-D: 20-10
Thickness tolerance, mm: ±0.1
Thickness, mm: 0.8
Wedge / Parallelism error: <20 arcsec
300.00
1
9337213
Coatings: uncoated
Crystal material: Yb:KYW
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 3.5 x 3.5
End surfaces configuration: Right-angle cut
Yb-concentration, %: 10
Orientation: b-cut
Shape: Rectangular
S1 Flatness, PV IR S2 Flatness, PV: <λ/8 @ 632.8 nm
Surface quality, S-D: 40-20
Thickness tolerance, mm: ±0.1
Thickness, mm: 1.5
Wedge / Parallelism error: <20 arcsec
450.00
4
9342394
Cut angle- Nm-Ng angle: 90°±0,5°
Yb concentration: 5%
parallelism between bottom and top: < 20 arc sec
Side 1: [email protected] (R<0.1%) + [email protected] (R<0.6%)
Side 2: [email protected] (R<0.1%) + [email protected] (R<0.6%)
Surface flatnes: Surface quality: 10/5 S/D
Wedge / Parallelism error: 2°±0,1°
Xtal Dimensions and tolarances (LxWxH):
Comment: (1±0,05)mm x (4±0.2)mm x (0.8±0,01)mm
Comment: other specs according to drawing Art. Nr. 02203
700.00
1
9390779
Coatings on S1: R(1020-1070)<0.1%. R(975-987)<3%
Coatings on S2: R(1020-1070)<0.1%. R(975-987)<3%
Crystal material: Yb:KYW
Dimensions, mm: 4.2 x 2
End surfaces configuration: Right-angle cut
Yb-concentration, %: 5
Orientation: Ng-cut
Shape: Rectangular
S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 632.8 nm
Surface quality, S-D: 10-5
Thickness, mm: 0.8
938.00
2
9428022
Clear aperture: >90
Coatings on S1: R<0.2%@1030-1040; R<0.1%@1040
Coatings on S2: R<0.2%@1030-1040; R<0.1%@1040
Crystal material: Yb:KYW
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 4 x 1.5
End surfaces configuration: Ng-cut
Yb-concentration, %: 2
Shape: Rectangular
S1 Flatness, PV IR S2 Flatness, PV: <λ/8 @ 632.8 nm
Surface quality, S-D: 20-10
Thickness tolerance, mm: ±0.1
Thickness, mm: 5
Wedge / Parallelism error: 2°
512.00
1
Total: $0.00
Ex Tax: $0.00
0
Yb:KGW and Yb:KYW crystals are used as lasing materials to generate ultrashort high power pulses. Yb:KGW can be used as ultrashort pulses amplifiers and these crystals are one of the best materials for high power thin disk lasers. 

The broad spectral emission band of Yb:KYW allows the tuning of the laser radiation over 1020-1060 nm range and the generation of femtosecond pulses shorter than 70 fs. Enhanced storage capacity, wide absorption spectrum at 980 nm and high absorption of pump radiation in a small crystal region allow an efficient use of diode laser pump. 

As compared to YAG or glasses used as hosts for Yb3+, KYW and KGdW have the advantage of a larger absorption cross section than YAG, which decreases the minimum pump intensity necessary to achieve transparency in the quasi-two-level system of ytterbium.
  • High absorption coefficient @ 980 nm
  • High stimulated emission cross section
  • Low laser threshold
  • Extremely low quantum defect
  • Broad output at 1020-1060 nm
  • High slope efficiency with diode pumping (>55%)
  • High Yb-doping concentration


Yb:KGW and Yb:KYW Crystals

  • Product Code: YBKGW
  • Availability: In Stock




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