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Standard Products  

Part No.

Dimension

Application

Coating

PM Type

BBO4407

4x4x7mm

S(T)HG@1064nm

AR coating

I or II

BBO4410

4x4x10mm

S(T)HG@1064nm

AR coating

I or II

BBO8407

8x4x7mm

SHG for Dye laser

P-coating

I

BBO8615

8x6x15mm

OPO

P-coating

I or II

BTC Series

 BBO crystals with thickness of 1mm or less for short pulses.

Please contact us for crystals of other sizes and for other applications. We can provide large BBO crystals up to  20x20x40mm3 or ultrathin crystals as thin as 10 µm.

BBO Specifications

Wavefront Distortion:

less than λ/8  @ 633nm

Dimension Tolerance:

(W+/-0.1mm) x (H+/-0.1mm) x (L + 0.2mm/-0.1mm)

Clear Aperture:

> 90% central area

Flatness:

λ/8 @ 633nm

Surface Quality:

Scratch/Dig10/5 per MIL-O-13830A

Parallelism:

better than 20 arc seconds

Perpendicularity:

5 arc minutes

Angle Tolerance:

Δθ < 0.25o, Δφ < 0.25o

Coatings

1.Protective coating (P-coating): This is single-layer MgF2 coating protecting polished surface of BBO from fogging due to ambient moisture. The protective coating also partially reduces reflection from polished surface at a certain wavelength range.

2. Anti-reflective coatings (AR coatings): These are multi-layer dielectric coatings. Single-band, dual-band or broad-band AR coatings on BBO surfaces are available upon request.

Mounts

For customer convenience and protection of crystals, standard 1" anodized aluminum (Al) mounts can be provided free of charge upon request. The mounted crystals may be further mounted in a conventional  1" mirror mount to be angle tuned for phase matching ( mirror mounts and posts are not included ).   
 

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