Custom PC Optical 720nm IR LongPass Filter Sheet

Custom PC Optical 720nm IR LongPass Filter Sheet   This term describes a specialized optical filter designed for precise light management in electronic imaging systems. Let's break down its name to understand its function:   · 720nm: The cut-on wavelength. This is the critical point where the filter begins to transmit light. · Longpass (LP): It transmits longer wavelengths (≥ ~720nm) and blocks shorter wavelengths (< ~720nm). · PC: This stands for "Polycarbonate." This indicates the substrate material the filter is made from. · IR Filter: It is designed for the Infrared spectrum. Its job is to allow IR light to pass while blocking visible light.   In essence, a 720nm Longpass PC IR Filter is a durable, plastic optical filter that permits infrared light (720nm and longer) to pass through while rejecting most of the visible light spectrum. Specification:   Key Characteristics   1. Spectral Performance:   · Function: It exhibits a sharp transition from blocking to transmitting nea…