How much larger is a 1 32 beam splitter
A typical 1:32 optical beam splitter, such as the ULTIMODE SP-32B, has a casing size of 115 × 140 × 18 mm with 1.5 m long SC/UPC terminated cables.
Physical Dimensions
The ULTIMODE SP-32B 1:32 planar wave circuit (PLC) splitter features a compact rectangular casing measuring 115 mm in length, 140 mm in width, and 18 mm in height, suitable for installation in standard RACK patch panels . Each output fiber is 1.5 meters long and terminated with an SC/UPC connector, allowing easy integration into fiber optic networks . For diffractive 1:32 beam splitters, such as the BS-450-1×13-32, the active optical element itself is much smaller, typically around 5 mm × 4.3 mm, with the beam spreading along the 4.3 mm direction . These are often used in laser processing, 3D sensing, and aesthetic medicine applications, where the splitter generates a 1D or 2D beam array.
Types and Mounting Considerations
- Planar Wave Circuit (PLC) Splitters: Larger casing, fiber outputs, suitable for passive optical networks (PON), CATV, and FTTH applications .
- Diffractive Beam Splitters: Compact optical element, often mounted in custom holders or integrated into laser systems .
- Cube or Plate Splitters: Typically used in laboratory optics setups; dimensions vary depending on manufacturer and intended wavelength, but standard cubes range from 10 mm to 25 mm per side .
Summary
When selecting a 1:32 beam splitter, consider both the casing dimensions and the type of splitter. PLC splitters like the ULTIMODE SP-32B are larger and fiber-terminated, while diffractive splitters are compact optical elements suitable for precise laser applications. The choice depends on whether the application requires fiber integration or direct free-space beam splitting.
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