Common size: 5x5 mm or 8x8 mm，With OD 25.4mm holder.
Two standard Type I SPDC crystals mounted with one crystal rotated by 90 deg about the axis normal to the crystal face.
Optically contacted, glue-free between two China BIBO Crystals
Half opening angle between signal/idler: 3 deg
Common Pump wavelength range: 248 - 800 nm.
Diode lasers, Ti:Sapphire lasers pump for (390-415)nm
THG of Nd: lasers pump for (351-355)nm
For more common Sizes of BiBO crystals，please visit “ BiBO crytals ”
| Part No. | Wavelength | Description |
| SPDC BIBO Crystal P01 | 405nm Pump | Paired BiBO crystals, size 5x5x0.5mm(each), cut for Type I SPDC pumped by 405nm with the half opening angle of 3°, AR@810/405nm. The two crystals are optically contacted with one crystal rotated by 90 deg about the axis normal to the crystal face. Mounted. |
| SPDC BIBO Crystal P02 | 355nm Pump | Paired BiBO crystals, size 5x5x0.5mm(each), cut for Type I SPDC pumped by 355nm with the half opening angle of 3°, AR@355/710nm. The two crystals are optically contacted with one crystal rotated by 90 deg about the axis normal to the crystal face. Mounted. |
| SPDC BIBO Crystal P03 | 435nm Pump | Paired BiBO crystals, size 5x5x0.5mm(each), cut for Type I degenerate SPDC pumped by 435nm with the half opening angle of 3 deg, Uncoated. The two crystals are optically contacted with one crystal rotated by 90 degrees about the axis normal to the crystal face. Mounted. |
BiBO Crystal combination Diagram：
