BBO SPDC Crystals

Pump wavelength range: 260 - 800 nm.
Common pumps:
~ 390 - 415 nm (Diode lasers, SHG of Ti:Sapphire lasers)
~ 342 - 355 nm (THG of Nd:/Yb: lasers), 257 - 266 nm (FHG of Nd:/Yb: lasers)
~ 775 nm (Ti:Sapphire lasers, SHG of Er: lasers)
Standard crystals are designed for Type I or Type II degenerate SPDC
Half opening angle between signal/idler directions for Type I: 3^o
Half opening angle between entangled emission directions for Type II: 5^o
Crystals for the opening angle = 0^o (collinear phase matching) or other angles
are availble upon request.
Non-degenerate SPDC crystals are available upon request.
Common aperture sizes: 5x5 mm, 8x8 mm. OD 1" mounted.

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Part No.	Description	Application	Material	Wavelength	Bandwidth	Size	Aperture	Thickness	Length	Angle	Doping	Orientation	Displacement	Retardation	Delay	Coating	End cut	Holder	Price	Availability	Add to Cart

Specifications of BBO SPDC crystals:

Wavefront distortion:	less than λ/8 @ 633 nm
Clear aperture:	> 90% central area
Flatness:	λ/8 @ 633 nm
Scratch/Dig:	10/5 to MIL-O-13830A
Parallelism:	better than 20 arc seconds
Angle tolerance:	Δθ < +/-0.25o, Δφ < +/-0.25

Coating:

AR@405/810 nm for 405nm pumped SPDC crystals
Broadband P-coating for pumps other than 405nm unless AR coating is specified.

(1) Configuration of BBO Crystal for Type I SPDC:

(1) Configuration of BBO Crystal for Type II SPDC:

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