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Infrared LED Guide

Infrared LED Guide — IR · SWIR · MWIR

Infrared LEDs split by band into IR (near), SWIR (short-wave), and MWIR (mid-wave) — each serving entirely different industries. Here's how to find the right one by wavelength and use case. From DONGHWA IND, official DOWA distributor.
UV
Visible
IR
SWIR
MWIR
200nm1000nm3000nm5000nm+
BANDS

Infrared LED by band

IR LED650 – 980 nm
Near-IR (NIR)

Machine-vision lighting, CCTV night, iris/face ID, ADAS

850 vs 940nm is the key choice

Products Guide
SWIR LED1040–1650 + 1720/1900 nm
Short-wave IR

Non-invasive healthcare, wafer inspection, food/agri QC, gas sensing

InGaAs, chosen by absorption band

Products Guide
MWIR LED3100 – 4300 nm
Mid-wave IR

NDIR and spectroscopy research using published R&D models at 3.1, 3.7, 3.9, 4.1 and 4.3μm

2.1–2.3μm products are separately classified as extended SWIR

Products Guide

Once the band is settled, see the IR LED 650–980nm high-power NIR source product page for per-wavelength models and package options.

FIND BY USE CASE

Which infrared LED do you need?

ApplicationRecommended
Gas sensing (NDIR)MWIR / SWIRDetails
Non-invasive medicalSWIRDetails
Machine visionIR / SWIRDetails
CCTV / biometricsIR 850·940nmDetails
Wafer inspectionSWIR 1300nmDetails
Food / agri QCSWIRDetails
DEEP DIVES

Read next

SWIR

What is SWIR?

MWIR

MWIR — NDIR gas sensing

IR

IR LED 850 vs 940nm

Not sure which wavelength?

Tell us your application — we'll match the best wavelength, package, and samples across DOWA's 285–5000nm range.

Contactled@dwled.com