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Aperture dimensions, S1/S2: 4 mm (Nm) x 1.5 mm (Np) (+0/-0.1 mm)
S1: R<0.2%@ 1030-1050 nm, R<0.1%@ 1040 nm, AOI=0°

Wedge (arrow marks): 2° (+/-0.1°)
Transmitted wavefront distortion, PV: <λ/8@ 632.8 nm
Surface quality, S1/S2: 10-5 S-D
S1 Flatness, PV IR S2 Flatness, PV: <λ/10@ 632.8 nm
S2: R<0.2%@ 1030-1050 nm, R<0.1%@ 1040 nm, AOI=0°
Parallelism error (between bottom and top): <20 arcsec
Orientation: Ng-cut
Length: 4.5 mm (Ng) (+/-0.1 mm) thin edge
Concentration: Yb(2 +/-0.1 at.%)
Clear aperture: >90 %
Coatings:

S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @ 633 nm
WFD, PV: <λ/4 @ 633 nm

Surface quality, S-D: 10-5
Substrate: Ti:Sa
Required documents: Certificate of Compliance
Parallelism error: <30 arcsec
Orientation: a-cut
IMPORTANT: Optical axis orientation must be ±2° in respect of symmetry axis(longer) of elliptical aperture
Figure of Merit (FOM): >150
Diameter, mm: Ø6 (+0/-0.1)
Clear aperture: >90%
Barel: Fine grounding
Angle to normal: Brewster cut
Absorption: >90% @ 532nm on the crystal length
Length, mm: 20 (±0.1)

LIDT: >50 J/cm2 @1064, 10 Hz, 5 ns
Transmitted wavefront distortion, PV: <λ/6 @632.8 nm

Surface quality, S-D: 10-5
S1 Flatness, PV IR S2 Flatness, PV: <λ/10 @632.8 nm
Perpendicularity: <10 arcsec
Doping concentration, %: 1.1
Dimensions, mm: 6 (+0/-0.1) x 85 (±0.1)
Coatings, S1/S2: AR (R<0.1%) @1064 nm, AOI=0-3°
Clear Aperture: >95
Protective chamfers: 0.2 mm x 45°

Perpendicularity optical face: 90° (±5 arcmin)
Pump absorption @ 532 nm, %: between 96% and >90%

RMS modulation after 9m propagation @ 800nm: ≤ 4.7% RMS over 80% of diameter
S1 Flatness, PV IR S2 Flatness, PV: <λ/8 @ 632.8 nm
Surface quality, S-D: 10-5
Surface roughness profile: <3 Å
Thickness, mm: 20 (±0.5)
Transmitted wavefront distortion, PV: <λ/4 @ 632.8 nm
Optical cut: C-axis perpendicular to the propagation
Wedge / Parallelism error: <30 arcec
LIDT: >7 J/cm² @ 532 nm; 5 ns; 10 Hz
LIDT: >3 J/cm² @ 800 nm; 200 ps; 10 Hz
Figure of Merit (a532/a800): > 150
Dimensions, mm: Ø16 (+0.0/-0.1)
Coatings on S2: AR(R<0.5%)@532nm + (R<1%)@720-880nm + (R<2 %)@880-940nm , AOI=0°±10°
Coatings on S1: AR(R<0.5%)@532nm + (R<1%)@720-880nm + (R<2 %)@880-940nm , AOI=0°±10°
Clear Aperture: >80
Adhesion and durability: Per MIL-C-675A
Circumference finish: fine grounding (Ra=1.5μm; Rt=15μm)
Material: Ti:Sapphire (Ti:Al2O3)

Part Number: 09805
Drawing Number: 09805_Rev00

Part Name: X-Yb:KYW-4x1.5-1-4%