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Seeing beyond the Visible: SWIR and its applications Ian Alderton Raf Slotwinski ALRAD IMAGING division ALRAD INSTRUMENTS Ltd 1 Spectrum What is IR Alrad Imaging www.alrad.com SWIR Native WDR SWIR Native WDR A unique & patented pixel technology using photovoltaic mode (single solar cell) InGaAs sensor (Rolling or Snapshot) covering 0.9 to 1.7µm band Output (MAGIC) Logarithmic response offering dynamic range >140dB TEC less operation and Stable NUC Alrad Imaging No Saturation www.alrad.com 140 dB Optical intensity Camera Series Available in Compact or analogue Smart version, WiDy SWIR cameras are delivered calibrated with software and cables in shock proof case. Featuring robust aluminium housing, this offers optimum size, weight and power consumption. Proprietary HMI (WiDyVISION, WiDyCIRENE) delivers advanced image processing including NUC, BPR, Image Enhancement, Zoom WiDy SWIR cameras are subject to dual use export licence Optics and accessories can be supplied as an option Compact cameras (i) WiDy SWIR 640U-S WiDy SWIR 640M-S InGaAs 640 x 512 15µm snapshot sensor Response 0.9 to 1.7 µm 2/3 inch optical format 14bits USB2.0 output 14 bits Camlink Output Up to 50 Hz Up to 100 Hz Integration time 100µs to 25ms (1) IN/OUT LVTTL Mode Power consumption <1.5 W Operating range -40 to 70°C Size 48.6 x 48.6 x 32.6 mm Weight < 125 g WiDyVISION HMI WiDyVISION Camlink HMI (2) (1) Shorter integration time down to 200ns upon request (2) Compatible with Dalsa frame grabber Image processing done on PC Powered via USB Compact cameras (ii) WiDy SWIR 320U-S WiDy SWIR 320M-S InGaAs 320 x256 25µm Snapshot Sensor response 0.9 to 1.7 µm 1/1.6 inch Optical format 14bits USB2.0 output 14 bits Camlink Output Up to 200 Hz Up to 200Hz Integration time 100µs to 200ms (1) IN/OUT LVTTL Mode Power consumption<1.5 W Operating range -40 to 70°C Size 48.6 x 48.6 x 32.6 mm Weight < 125 g WiDyVISION HMI WiDyVISION Camlink HMI (1) Shorter integration time down to 200ns upon request (2) Compatible with Dalsa frame grabber Alrad Imaging www.alrad.com WiDy SWIR 320U WiDy SWIR 320M InGaAs 320 x256 25µm rolling sensor Response 0.9 to 1.7 µm 1/1.6 inch optical format 14bits USB2.0 output 14 bits Camlink Output Up to 140 Hz Up to 200Hz Integration time 100µs to 200ms IN/OUT LVTTL Mode Power consumption <1.5 W Operating range -40 to 70°C Size 48.6 x 48.6 x 32.6 mm Weight < 125 g WiDyVISION HMI WiDyVISION Camlink HMI Smart cameras On-board Image processing Control interface though RS232 WiDy SWIR 640A-S WiDy SWIR 320A InGaAs 640 x 512 15µm Snapshot sensor Response 0.9 to 1.7 µm 2/3 inch optical format Analog Video Composite (BNC) 25 Hz (CCIR), 30 Hz (EIA) Integration time 100µs to 20ms (CCIR) or to 16ms (EIA) IN/OUT LVTTL Mode Power consumption <2.7 W Operating range -40 to 70°C Size 48.6 x 48.6 x 47.4 mm Weight < 125 g WiDy CIRENE HMI InGaAs 320 x256 25µm Rolling Sensor response 0.9 to 1.7 µm 1/1.6 inch Optical format Analog Video Composite (BNC) 25 Hz (CCIR), 30 Hz (EIA) Integration time 100µs to 20ms (CCIR) or to 16ms (EIA) IN/OUT LVTTL Mode Power consumption <2.7 W Operating range -40 to 70°C Size 48.6 x 48.6 x 47.4 mm Weight < 125 g WiDy CIRENE HMI Process control Applications Process control Art inspection Welding Semiconductor Surveillance And much more … Alrad Imaging www.alrad.com Process control Steel, Foundry, Hot glass... Telecom components alignment (no saturation on laser) Food , Pharmaceutical, Packaging Laser Micromachining Processes Alrad Imaging www.alrad.com 1 1 Welding TIG, MIG, MAG, YAG Laser... Eliminate the need for neutral density filter See through the plasma or near laser spot Visualize weld pool and measure T°C (calibrated camera) Alrad Imaging www.alrad.com 1 2 Semiconductor Solar Cell, Microscopy, Inspection See Through Silicon or Micro-Packaging Low Power Consumption and Form Factor Wafer Test , Alignment or Dicing Alrad Imaging www.alrad.com Art Inspection Counterfeit detection/ Masterpiece Authentification Art Education Portable SWIR camera connectable to laptop or tablet Turn key (No set-up, no additional lighting) Alrad Imaging www.alrad.com Surveillance See through Smoke, Haze, Pollution The longer distance, the better SWIR performs versus visible Maritime, Border Control, UAV Active imaging Water, Ice detection Alrad Imaging www.alrad.com Benefits of SWIR  Images are perceived like in the visible (reflected light) => contrasts, shadows easily understood by user  Glass lens transmission is possible (not in thermal bands)  Some plastics or inks are transparent  High temperature and some lasers are visible Liquid level Inspection Fight against counterfeiting Lenses for SWIR applications are specially coated for maximum transmission in the 800 – 1900nm region. By contrast, Standard Lenses for visible applications have broadband coating optimised for 400 – 800nm. Kowa SWIR Computar SWIR ALRAD is a Distributor for the following SWIR Lenses: Contact Details Alrad Instruments Ltd Alder House Turnpike Road Industrial Estate Newbury Berkshire RG14 2NS Tel +44(0)1635 303450 Fax +44(0)1635 32630 www.alrad.co.uk [email protected]