Yb:KGW and Yb:KYW Crystals

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SKU	Specifications	Stock Qty	Price
9008710	Crystals xmm Concentration % Crystal ends: grounded; z(Np): 1.2 +/-0.03 mm; 2 sides y0z 1.2x8mm: Clear aperture: 1x7mm; Dimensions A x B x C, mm: Orientation tolerance x0y and y(Nm): +/-0.5deg; Other 2 sides x0y 8x1.5mm polished for optical contact with heatsink: 20-10 S-D; Parallelism error: between x0y planes: 0deg +/- 0.05 deg (0+/-1 mrad); y(Nm): 8.0 +0/-0.1mm; Wedge between y0z planes along y(Nm) axis: 0.5deg +/- 0.05 deg (9+/-1 mrad);	11	€2,040.00
9008760	Crystals xmm Concentration % z(Np): 1.2 +/-0.03 mm; Clear aperture: 1x7mm; Crystal ends: grounded; Dimensions A x B x C, mm: y(Nm): 8.0 +0/-0.1mm; Orientation tolerance x0y and y(Nm): +/-0.5deg; Other 2 sides x0y 8x1.5mm polished for optical contact with heatsink: 20-10 S-D; Parallelism error: between x0y planes: 0deg +/- 0.05 deg (0+/-1 mrad); Wedge between y0z planes along y(Nm) axis: 0.5deg +/- 0.05 deg (9+/-1 mrad); 2 sides y0z 1.2x8mm:	3	€142.00
9008770	Crystals xmm Concentration % Dimensions A x B x C, mm: Parallelism error: between x0y planes: 0deg +/- 0.05 deg (0+/-1 mrad); Orientation tolerance x0y and y(Nm): +/-0.5deg; z(Np): 1.2 +/-0.03 mm; Other 2 sides x0y 8x1.5mm polished for optical contact with heatsink: 20-10 S-D; y(Nm): 8.0 +0/-0.1mm; Crystal ends: grounded; Clear aperture: 1x7mm; 2 sides y0z 1.2x8mm: Wedge between y0z planes along y(Nm) axis: 0.5deg +/- 0.05 deg (9+/-1 mrad);	3	€146.00
9018981	- Crystals Ø10x4.7mm Concentration -% Dimensions, mm: Ø10 Wedge / Parallelism error: < 10 arcsec Coatings on S1: - Clear aperture: Coatings on S2: - Coatings: BBAR(R<0.5%)@675-1100nm, AOI=0° Comments: - Dimensions tolerance, mm: Dimensions, mm: 25.4x2 End surfaces configuration: - Yb-concentration, %: - LIDT: 2.5 GW/cm² Thickness tolerance, mm: Orientation: Perpendicularity: Protective chamfers: Transmitted wavefront distortion, PV: Shape: - Thickness, mm: 4.7 SQ (Alt_staff): - S1 Flatness, PV IR S2 Flatness, PV: Surface quality, S-D: 20-10 after coating Length, thickness: - Crystal material: -	3	€151.00
9020812	- Crystals Ø10x4.7mm Concentration -% Transmitted wavefront distortion, PV: Thickness, mm: 4.7 Orientation: Surface quality, S-D: 20-10 after coating S1 Flatness, PV IR S2 Flatness, PV: SQ (Alt_staff): - Shape: - Protective chamfers: Perpendicularity: Wedge / Parallelism error: < 10 arcsec Crystal material: - Length, thickness: - Thickness tolerance, mm: Coatings on S1: - Coatings on S2: - Comments: - Clear aperture: Dimensions tolerance, mm: Dimensions, mm: Ø10 Dimensions, mm: 25.4x2 End surfaces configuration: - Yb-concentration, %: - LIDT: 2.5 GW/cm² Coatings: BBAR(R<0.5%)@675-1100nm, AOI=0°	3	€156.00
9318551	Yb:KYW Crystals 5x5x1mm Concentration 10% 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	1	€740.00
9318701	Yb:KYW Crystals 9.39x3x0.5mm Concentration 5% 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	€1,176.00
9318711	Yb:KYW Crystals 5x5x0.125mm Concentration 10% Coatings on S1: HR@980-1080 Coatings on S2: AR@980-1080 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	3	€750.00
9318761	Yb:KGW Crystals 5x5x1mm Concentration 5% 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	1	€710.00
9321342	Yb:KYW Crystals 4x2x1.05mm Concentration 5.7% 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	4	€350.00
9322942	Yb:KYW Crystals 1x4x0.8mm Concentration 5% Coatings on S1: AR@1040(R<0.1%)+AR@981(R<0.6%) Coatings on S2: AR@1040(R<0.1%)+AR@981(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	1	€300.00
9337213	Yb:KYW Crystals 3.5x3.5x1.5mm Concentration 10% 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	4	€450.00
9342394	Crystals xmm Concentration 5% Cut angle- Nm-Ng angle: 90°±0,5° Yb-concentration, %: 5 parallelism between bottom and top: < 20 arc sec Side 1: AR@1040 (R<0.1%) + AR@981 (R<0.6%) Side 2: AR@1040 (R<0.1%) + AR@981 (R<0.6%) Surface flatnes: Surface quality: 10/5 S/D Wedge / Parallelism error: 2°±0,1° Xtal Dimensions and tolarances (LxWxH):	1	€700.00
9390779	Yb:KYW Crystals 4.2x2x0.8mm Concentration 5% 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	2	€938.00
9428032	Yb:KYW Crystals 4x1x5mm Concentration 2% Shape: Rectangular Crystal material: Yb:KYW Transmitted wavefront distortion, PV: <λ/8 @ 632.8 nm Thickness, mm: 5 Thickness tolerance, mm: ±0.1 Surface quality, S-D: 10-5 Wedge / Parallelism error: 2° S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 632.8 nm End surfaces configuration: Ng-cut Dimensions tolerance, mm: (+0/-0.1) Dimensions, mm: 4 x 1 Coatings on S2: R<0.2%@1030-1050; R<0.1%@1040 Coatings on S1: R<0.2%@1030-1050; R<0.1%@1040 Yb-concentration, %: 2	2	€640.00
9523882 NEW	Yb:KYW Crystals 5x5x1mm Concentration 10% Perpendicularity: <10 arcmin Wedge / Parallelism error: < 10 arcsec Transmitted wavefront distortion, PV: <λ/8 @ 632.8 nm Thickness, mm: 1 Thickness tolerance, mm: ±0.1 Surface quality, S-D: 10-5 S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 632.8 nm Shape: Rectangular Orientation: b-cut: Np-axis is parallel to input/output faces Yb-concentration, %: 10 End surfaces configuration: Brewster angle cut Dimensions, mm: 5 x 5 Dimensions tolerance, mm: +0/-0.05 Crystal material: Yb:KYW Coatings: uncoated Clear aperture: >90 Protective chamfers: 0.1 mm x 45°	1	€300.00
9560256 NEW	Crystals xmm Concentration % Orientation tolerance x0y and y(Nm): +/-0.5deg; Wedge between y0z planes along y(Nm) axis: 0.5deg +/- 0.05 deg (9+/-1 mrad); Other 2 sides x0y 8x5.0 mm polished for optical contact with heatsink: 20-10 S-D; z(Np): 1.2 +/-0.03 mm; y(Nm): 8.0 +0/-0.1mm; Iš bulės: 6.4KGW Dimensions A x B x C, mm: Crystal ends: grounded; Clear aperture: 1x7mm; 2 sides y0z 1.2x8mm: Parallelism error: between x0y planes: 0deg +/- 0.05 deg (0+/-1 mrad);	7	€300.00
9584938 NEW	Crystals xmm Concentration % Drawing: 09341_rev00 Part name: X-Yb:KYW-4x1-4 2%	2	€300.00
9584958 NEW	Crystals xmm Concentration % Drawing: 09341_rev00 Part name: X-Yb:KYW-4x1-4 2%	1	€300.00
9594489 NEW	Crystals xmm Concentration 5% Wedge / Parallelism error: 2°±0.1° S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 632.8 nm Surface quality: 10/5 S/D - to be rechecked Yb-concentration, %: 5 Side1: AR(R<0.1%)@1040nm + AR(R<0.6%)@981nm Yb: KYW crystal (Art. Nr. 02203) Dimensions and tolarances (LxWxH), mm: Cut angle- Nm-Ng angle: 90°±0.5° Side2: AR(R<0.1%)@1040nm + AR(R<0.6%)@981nm Parallelism between bottom and top: < 20 arc sec	24	€300.00
9614751 NEW	Yb:KYW Crystals xmm Concentration % Coatings S1/S2(NpxNm): AR coated R(1020-1070nm)<0.1%, R(975-987nm)<3%, Crystal material: Yb:KYW Dimensions A x B x C, mm: W=4.2mm (Np), H=2mm (Nm), L=1.5mm (Ng) S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 632.8 nm Surface quality, S-D: 10-5 Wedge / Parallelism error: 1 deg	12	€300.00

Details

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

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