G344211000 15 x 20 mm N-BK7 Broadband 50:50 (R:T) Plate Beamsplitter; t=2mm IR 1200-1700nm
- Type
- Beam Splitter
- Subtype
- Thin BS
- Brand
- Qioptiq Photonics
Properties
- Shape
- Rectangular
- B
- 15 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5006520430195947
- λ
- 1550 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
G344211000 15 x 20 mm N-BK7 Broadband 50:50 (R:T) Plate Beamsplitter; t=2mm IR 1200-1700nm
This beamsplitter, sourced from Qioptiq Photonics, is a high-quality optical element designed for use in the infrared spectrum, specifically between 1200 and 1700 nanometers. Its primary function is to divide an incoming light beam into two separate beams, with one beam reflected and the other transmitted.
The beamsplitter is rectangular in shape, with dimensions of 15 x 20 millimeters, and has a thickness of 2 millimeters. It is made from N-BK7, a type of borosilicate glass known for its excellent optical properties, including a high Abbe number and low dispersion. This makes it an ideal material for broadband applications.
The beamsplitter's coating is a key feature. The front surface is coated with "qio bbbs 50 tbpir 45", a proprietary coating that provides a 50:50 beam split ratio for both reflected and transmitted light. The back surface is coated with "qio bbar arb2irnbk7", a coating that reduces reflection and enhances transmission.
The beamsplitter's shape is that of a thin lens, which helps to minimize optical aberrations and distortions. This is particularly important in applications where precise light control is required.
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