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4/5" Beam Splitter Prism, T≈31% @ 900-2000nm, for NIR-SWIR Imaging

-Spectral Range: 900 - 2000 nm (NIR to SWIR)
-Transmittance: ~31% per output port (S2, S7, S8)
-Tolerance: ±5% across the specified wavelength
-Image Format / Sensor Compatibility: 12.8 mm (Designed for 4/5" Sensors)
-Operating Temperature: -20 °C to +60 °C
-Key Features: Triple-port output, Broadband infrared performance
Availability:


Product Parameters

Model Image Format(mm) Transmittance TemperatureRange(℃)
1K RP26-3S 12.8 S2出射光:T=31%±5% @900nm-2000nm;
S7出射光:T=31%±5% @900nm-2000nm;
S8出射光:T=31%±5% @900nm-2000nm;
-20~+60


Product Introduction

The RP26-3S is a high-performance beam splitter prism (or beam splitter cube) designed for precise light splitting in near-infrared (NIR) to short-wave infrared (SWIR) applications. Engineered to cover a broad spectrum from 900nm to 2000nm, it evenly divides incoming light with approximately 31% transmittance through each of its three output ports (S2, S7, S8). This makes it an ideal solution for multi-channel imaging, optical system calibration, and beam sampling where consistent intensity across paths is critical.


1. Product Core Advantages and Features

Featuring a compatible image format of 12.8mm, this prism is tailored for 4/5" image sensors, ensuring optimal coverage and minimal vignetting. Its robust design guarantees stable performance across an extended operating temperature range of -20°C to +60°C, suitable for both laboratory and industrial environments. The specified transmittance tolerance of ±9% provides reliable and predictable optical output.


2. Detailed technical specifications:

-Model: RP26-3S Beam Splitter Prism

-Spectral Range: 900 - 2000 nm (NIR to SWIR)

-Transmittance: ~31% per output port (S2, S7, S8)

-Tolerance: ±9% across the specified wavelength

-Image Format / Sensor Compatibility: 12.8 mm (Designed for 4/5" Sensors)

-Operating Temperature: -20 °C to +60 °C

-Key Features: Triple-port output, Broadband infrared performance, Cube prism configuration


3. Main Application Scenarios

This infrared beam splitter prism is widely used in shortwave infrared imaging systems, spectral analysis, machine vision, and communication fields. Its cubic structure design makes it easy to integrate into existing optical devices. In scenarios where synchronous monitoring or spectroscopy of a single near-infrared/shortwave infrared light source is needed - such as agricultural sorting, plastic and solid waste sorting, semiconductor detection, or scientific research; RP26S can provide a balanced and stable durable optical solution.



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