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Paired BBO Crystals

Paired BBO Crystals
Paired BBO Crystals

Two identical Type I SPDC crystals mounted with one crystal rotated by 90o 
  about the axis normal to the incidence face.
Standard half opening angle between signal/idler: 3o
Pump wavelength range: 248 - 800 nm.
  Common pumps:
   ~ 390 - 415 nm (Diode lasers, Ti:Sapphire lasers)
   ~ 351 - 355 nm (THG of Nd: lasers)

Aperture sizes: 5x5 mm, 8x8 mm. OD 1" mounted.

Aplication Example:

Paired BBO crystals for ultrabright source of polarization-entangled photons
 

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Wavelength:
Part No. Description Wavelength 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 < +/-0.25o


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

 


Coatings:  
                  
405 nm Pump: Multilayer AR coating
AR@405/810 nm on input/output surfaces
Pumps other than 405 nm: Single layer MgF2 protective coating (
P-coating ) on input/output surfaces

* Multilayer AR coatings at the specified wavelengths are available upon request.

 

 

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