Home SWIR Linescan Cameras UTC Sensors Unlimited Compact Linescan 1024-LDM InGaAs Camera, 1024 pixels at 45,956 lps

UTC Sensors Unlimited Compact Linescan 1024-LDM InGaAs Camera, 1024 pixels at 45,956 lps

Product Code:
SU1024-LDM
Manufacturer: Sensors Unlimited
Compact InGaAs linescan camera for machine vision 1024-LDM camera is a high-speed 1024-pixel linescan InGaAs camera for use in high-resolution imaging through silicon wafers, blocks or ingots.

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The 1024-LDM Linescan Camera finds problems such as mis-alignment, occlusions, inclusions or cracks; before the expense of further processing of ICs or solar cells. High-speed imaging of free-falling molten glass gobs, agricultural raw materials, or pharmaceutical mixes also benefit from the camera’s flexible line rates of up to 45,956 lps. Only 2.4 inches in depth, the mechanical design gives system integrators the flexibility to fit the camera inside their inspection machines. The LDM provides 14-bit digital capture into base-format Camera Link® interface cards, while providing dynamic ranges up to 4500:1. A photoetch mask sharply defines the array’s 25-µm aperture, ensuring high time and spatial resolution; the alternate 500-µm pixel height trades time resolution for increased sensitivity in photoluminescence imaging.

Features:

  • High quantum efficiency and dynamic range
  • Integrate-while-read snapshot acquisition
  • Predefined line rates from 80 to 45,956 lps user programmable
  • Wavelength response over 0.8 µm to 1.7 µm
  • 1024 x 25-µm pixel pitch with the aperture heights of 25 or 500 µm
  • 14-bit base Camera Link® compatible
  • Operating temperature range of -10 to +50°C
  • Light-tight mount for spectrometers
  • Mounts easily to optics benches or MV systems with tripod, front or side fastener hole patterns
  • Optional adapters for F-mount or C-mount, lenses (C-mount lenses may not fully illuminate the full width of the 25.6 mm wide arrays)

Applications:

  • Inspection through polished silicon wafers or blocks
  • Machine vision for ultra-high speed inspection, materials classification, sorting and/or monitoring of continuous processes, for example for food or agricultural product sorting
  • Fast absorption or emission spectroscopy for combustion research, moisture, lipids, proteins or other molecular vibration bands in the 0.8 µm-1.7 µm range

 

Mechanical

 

Dimensions

6.1 cm x 7.37 cm x 7.62 cm
2.4 in x 2.9 in x 3.00 in
Length excludes I/O connectors, and lens adapter

Weight

< 450 g or 1 lbs (no lens or adapter)

Lens Mount

M42x1-6H with 5.7 mm to image plane
one, fixed distance C-Mount adapter or
adjustable distance F-Mount adapter (see ordering info)

Spectrometer Mount

4 tapped 8-32 holes in 2 inch square pattern
4 tapped M4x0.7-6H holes spaced 5 cm x 4 cm (h x w)
O-Ring light seal, 1.9 inch diameter, 1/16th thickness

Camera Tripod Mount

2 tapped ¼-20 holes alternating on ¾” (19 .05 mm) spacing with 2 tapped M6-6H holes
Side Wall Mounts 4 tapped M4x0.7-6H holes, 5 x 4.5 cm spacing (h x d)

Environmental & Power

 

Operating Case Temperature

-10°C to +50°C

Storage Temperature

- 20°C to 70°C

Humidity

Non-condensing

Power Requirements

AC Adapter: 100-240 VAC, 47-63 Hz, < 1.0 A
DC Voltage: 7-28 V, < 7 W at 25°C, <11 W at 50°C
In-rush Current: < 1.5 A peak

Interfaces

 

Control

SDR 26-pin connector ( Base Camera Link®)
 Image Data SDR 26-pin connector ( Base Camera Link®)

Power

Hirose HR10-7R-6PA receptacle
Mates with HR10-7P-6S or SN4-8-6(P)

Sync Output

SMA: 5 V, 50 W series terminated,
active high: integration active

Trigger: Input

SMA, Low < 0.5, 3 V > high < 5 V

Status LED

Green: TEC locked at setpoint
Red: TEC unlocked
Blinking: Timing or triggering error

Regulatory Compliance

 

CE

Meets class A level for emission, immunity & ESD standards

FCC

Meets requirements for Part 15, Subpart B, Class A, 2006

Electro-Optical Performance

 

Sensor Format 1

1024 pixels on 25 μm pitch with 4 readout ADCs

Optical Aperture (pixel height) 1

500 μm or 25 μm (square pixel sharply defined by mask on detector surface)

Peak Quantum Efficiency 1

> 70%

Bad Pixel Specification

White, dark, noisy or pixels exceeding +/- 10 of the mean value when illuminated at 50% of full well. Number of bad pixels limited to a maximum of 1% of array total; no bad neighbors within 5 pixels

Exposure Time 1, 3

0.018 ms to 12.8 ms in 20 preset steps or to > 1 s with user programmed or via the width of the ext. trigger

Trigger Modes 3

Free run, single line per trigger, external variable exposure, or gated burst

Sync Output

SMA coaxial connector: digital output signal, high during integration

External Trigger 3

Via frame grabber CC1 signal or SMA coaxial connector on rear panel with selectable polarity

External Variable ET

User set by the duration of trigger signal (minimum ET pulse: 10 μs)

External Trigger Jitter

+/-1 clock cycle: nominally 80 ns with internal ET

Pixel Rate

50 Mpix/s max with 14-bit words transferred on each Camera Link strobe clock cycle

Digital Output Format

14-bit base Camera Link®; recommend NI PCIe-1427 or equivalent frame grabber

Readout Mode

Integrate while read, differential double sampling

Corrections (preset OPRs)

Factory calibrated gain, offset, and bad pixel replace, applicable to the center 90% of the array

Resolution

1024 x 1

Pixel Pitch

25 μm

Line Rate

45,956 lps

Spectral Response

0.8 to 1.7 μm

 

1 Actual formats and performance governed by user-selected SUI linear array purchased with camera (dark current may limit longest usable ET)
2 Camera readout noise limited for low & medium gain settings; dark shot noise limited for high gain settings
3User selectable by command over Camera Link® serial lines
4Dynamic range limited to maximum values shown when camera operated at exposure times shorter than 28 μs due to reduced full well capacity

 

 


Gain Capacitor Setting:

 

 

 

0.1 pF

 

1.0 pF

 

10.0 pF

 

 Typical

Specification

Typical

Specification

Typical

Specification

Net full well capacity (Me-) 2

1.6

>1.1

15.9

>9.2

150

>110

Gain (e-/cnt) 1, 3

107

 

1000

 

9600

 

Temporal noise (rms counts) 1, 2

8

< 10

3.5

<4.5

2.5

<3.5

Dynamic range 1, 2, 4

1900:1

>1350:1

2600:1

>2100:1

3100:1

>2600:1

Differential non-linearity 1, 2

+/- 0.8%

< +/- 1.2%

+/- 0.8%

< +/- 1.2%

+/- 0.8%

< +/- 1.5%

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