4119 Twilight Ridge
San Diego, CA 92130
tel (858) 755-6727
fax (858) 755-6771
v/efax (858) 630-2376
v/efax: (509) 752-0123
delmar@sciner.com
Single crystals with the Sillenite structure, Bi12MO20 (M=Si, Ge, Ti) have a fortunate combination of electrooptic, acoustooptic and piezoelectric properties and are thus promising materials for optoelectronics.
The fabrication of sillenite oxide thin-film structures by different techniques permits the development of a long list of devices, including integrated-optics devices.
The strong spectral dependence of the photoconductive properties of these crystals and their electrooptic properties makes it possible to develop a wide variety of devices including spatial light modulators, hologram recording devices, phase conjugation, photorefractive incoherent-to-coherent optical converters.
The relatively large electrooptic effect of sillenite oxide makes them useful also for optical fiber electric field sensors with high thermostability.
Material |
BSO |
BGO |
BTO | |
|---|---|---|---|---|
Chemical Formula |
Bi12SiO20 |
Bi12GeO20 |
Bi12TiO20 | |
Crystal Structure |
Crystal System: cubic Point Group: 23 |
|||
Lattice Parameters, Å |
10.104 |
10.145 |
10.175 | |
Density, g/cm3 |
9.14 |
9.2 |
9.2 | |
Mohs Hardness |
6 |
5 |
5 | |
Melting Point, °C |
884 |
925 |
840 | |
Transparency Range, mm |
0.4 - 6 |
0.4 - 7 |
0.5 - 6 | |
Refractive Index at l = 0.63 mm |
2.54 |
2.55 |
2.56 | |
Electrooptical Coefficient r41, pm/V at l = 0.63 mm |
5.0 |
3.5 |
5.7 | |
Optical activity, deg/mm at l = 0.5 mm |
42 |
41.5 |
- |
|
Photoelastic coefficients at l = 0.63 mm P11 |
0.12 |
0.13 |
- |
|
Elastic waves velocity, m/sec. |
||||
N 100 |
U 100 |
3830 |
3650 |
- |
| Dielectric Constant | 56 |
40 |
46 | |
| Dark resistance, Ohm · cm | ~ 1014 |
~ 1014 |
~ 1014 | |
Available sizes for polished elements are (3 - 20) x (3 - 20) x (3 - 20)
mm3.
Other single crystals with Sillenite structure such as Bi12TiO20
(BTO) and doped Bi12SiO20 (BSO), Bi12GeO20
(BGO) are also available.
Please send us your exact requirements including dimensions, orientation, required dopant concentrations, polishing and coating requirements and quantity.
Most crystals are manufactured according to the customer
specifications. However, based on regular requests we have now substantial
amount of various crystals in stock. The following files contain information
about different crystals available in stock.
Crystals in Stock 01 -
Crystals in Stock02
OpticsLand, a presicion optics division of Del Mar Ventures, produces precision ultraviolet, visible and infrared optics from fused silica, crystal quartz, calcium fluoride, barium fluoride, magnesium fluoride, sapphire, germanium, calcite, glass and other materials. The product line includes lenses, windows, prisms, mirrors, polarizers, retarders, beamsplitters, filters, etalons etc. OpticsLand provides engineering and contract manufacturing of precision optical components and systems.
| Del Mar Ventures 4119 Twilight Ridge San Diego, CA 92130 tel (858) 755-6727 fax (858) 755-6771 v/efax (858) 630-2376 v/efax: (509) 752-0123 delmar@sciner.com |
|
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