Updated:2024-05-23
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The WinCamD-QD series uses colloidal quantum dot sensors to provide high quality beam profiling for visible, SWIR, and eSWIR sources. With 15 µm pixels and a wavelength range as wide as 350 to 2000 nm the WinCamD-QD series offers unparalleled beam profiling capabilities. With a signal-to-noise ratio that exceeds 2100:1, the WinCamD-QD series is capable of ISO 11146 compliant beam measurements. The state-of-the-art colloidal quantum dot sensor features very high sensitivity with a global shutter for pulsed beam profiling.
Key Features
Quantum dot sensor, optimized for 1550 or 2000 nm
Covers wavelengths 400 to 1700 nm or 350 to 2000 nm
Multiple active area options, to 1920 x 1080
15 µm pixels
14-bit ADC
Global shutter; supports pulsed and CW beams
>2100:1 dynamic range
In-firmware NUC
Parallel capture on multiple cameras
M² measurements
GigE or USB 3.0 with 3 m screw locking cable
GigE Vision®/USB3 Vision® support
Example Applications
1550 nm / 2000 nm laser profiling
Field servicing of 1550 nm / 2000 nm lasers and laser-based systems
Optical assembly & instrument alignment
Beam wander & logging
M² measurement with available M2DU stage
Specification
Sensor | Colloidal Quantum Dot (CQD) on CMOS ROIC |
Wavelength |
S-WCD-QD-1550 series: VIS-SWIR 400-1700 nm S-WCD-QD-2000 series: VIS-eSWIR 350-2000 nm |
Pixel Count, H x V |
S-WCD-QD-1550/2000: 640x512 S-WCD-QD-1550/2000-L: 1280x1024 S-WCD-QD-1550/2000-XL: 1920x1080 |
Image Area |
S-WCD-QD-1550/2000: 9.5x7.68 mm S-WCD-QD-1550/2000-L: 19.2x15.36 mm S-WCD-QD-1550/2000-XL: 28.8x16.2 mm |
Pixel Dimension | 15 x 15 µm |
Min. Beam (10 pixels) | ~150 µm |
Shutter Type | Global |
Max. Full Frame Rate |
S-WCD-QD-1550/2000: 25 fps S-WCD-QD-1550/2000-L: 25 fps S-WCD-QD-1550/2000-XL: <25 fps |
Signal to RMS Noise | ≥2100:1 |
Opt./Elec. dB | 33/66 |
ADC | 14-bit |
Measurable Sources | CW beams, pulsed sources with external sync |
Measured Beam Powers | TBA |
Manual Beam Attenuation | Includes ND-1, ND-2, and ND-4 C-mount ND filters |
Displayed Profiles |
2-D & 3-D plots 10, 16, 256 or max colors or gray. Contoured display at 10 and 16 color. |
Measured & Displayed Profile Parameters |
Raw and smoothed profiles [Triangular running average filter up to 10% FWHM] |
Beam Diameter |
Diameter at two user set Clip levels Gaussian & Second Moment beam diameters Equivalent diameter above a user defined Clip level Equivalent Slit and Knife Edge diameters |
Beam Fits |
Gaussian & Top Hat profile fit & % fit Equivalent Slit profile |
Beam Ellipticity | Major, Minor & Mean diameters. Auto-orientation of axes. |
Centroid Position |
Relative and absolute Intensity Weighted Centroid and Geometric Center Beam Wander Display and Statistics |
Measurement Accuracy |
5 µm processing resolution for interpolated diameters Absolute accuracy is beam profile dependent - ~10 µm accuracy is frequently achievable Centroid accuracy is also beam dependent. It can be as good as ±10 µm since it is arithmetically derived from all pixels above the centroid clip level. |
Processing Options |
Image & profile Averaging, 1, 5, 10, 20, Continuous. Background Capture and Subtraction. User set rectangular Capture Block for capture User set or Auto ellipse Inclusion region with beam tracking for processing *.ojf files save all WinCamD custom settings for particular test configurations |
Pass/Fail display | On-screen selectable Pass/Fail colors. Ideal for QA & Production. |
Log data and statistics | Min., Max., Mean, Standard Deviation, to 4096 samples |
Relative Power Measurement | Rolling histogram based on user's initial input. Units of mW, µJ, dBm, % or user choice (relative to a reference measurement input) |
Fluence | Fluence, within user defined area |
Certification | RoHS, WEEE, CE |
Multiple Cameras |
Up to 4 cameras, parallel capture. 1 to 8 cameras, serial capture. |
Camera Dimensions‚ Width x Height x Depth | 61 x 61 x 99 mm |
Optical depth from housing/filter to sensor ±0.2 mm | 17.5 mm |
Mounting | TBA |
Weight | 407 g (14.35 oz) |
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