Ophir-Spiricon SP-1550M User Manual Download Page 1

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SP-1550M Camera
User Guide

For Model

SP-1550M Phosphor Coated CCD Camera

For Use with the LBA-PC
Laser Beam Propagation
Analyzer

Camera Version 2.0

For Sales, Service or

Technical Support

Phone: (435) 753-3729

Fax: (435) 753-5231

Service Email

[email protected]

Sales Email

[email protected]

Ophir-Spiricon Inc.

60 W 1000 N

Logan, Utah 84321

Document No. 10998 Rev C

Summary of Contents for SP-1550M

Page 1: ...aser Beam Propagation Analyzer Camera Version 2 0 For Sales Service or Technical Support Phone 435 753 3729 Fax 435 753 5231 Service Email service ophir spiricon com Sales Email sales ophir spiricon c...

Page 2: ......

Page 3: ...sponsibility for errors omissions or any loss of data because of said errors or omissions Personal computer hardware and component manufacturers along with operating system providers constantly revise...

Page 4: ......

Page 5: ...5 Windowless Detector 11 1 6 Camera Non linearity 12 1 7 Non linear Correction 13 1 8 Non linearity Affects Laser Beam Measurements 14 1 9 Non linearity Correction Effect on Noise 16 1 10 Beam Width...

Page 6: ...tput With Camera Correction 15 Figure 8 Fiber Output Without Camera Correction 15 Table 1 SP 1550M Camera S N for Various Conditions 16 Figure 9 SP 1550M Beam Width Error vs Percent Peak Intensity 17...

Page 7: ...ed the operator should be protected against accidental exposure Exposure to personnel other than the operator must also be considered Hazards include direct beam exposure and reflected radiation When...

Page 8: ...nterline transfer Field Integration Mode Only Video Out 1 0 V p p 75 Video Format RS 170 Minimum Illumination 0 0001 lx F1 4 Full Signal Illumination 3 W cm2 980nm Camera S N Ratio 58 dB Gamma 1 Shutt...

Page 9: ...1 2 Physical Dimensions Figure 1 Profile Dimensions Figure 2 Bottom and Face Dimensions SP 1550M User Guide Document No 10998 Page 9...

Page 10: ...screw holes 20 threads 4 5 0 2mm 7 Camera base Mounting screw hole and four M3 size holes 8 Video Out BNC Composite video signal output 9 Gamma correction switch Three selectable values 1 0 0 45 and...

Page 11: ...980M and the SP 1550M cameras exhibit significant blooming and the COHU 4812 camera is recommended The camera has an adjustable CS lens mount that places the focal plane 12 1 mm from the camera front...

Page 12: ...ases roughly as the square of the input IR intensity Thus the camera output follows the measured curve shown in Figure 4 below Figure 4 Non linearity of SP 1550M Camera The camera output in digital co...

Page 13: ...ma of the camera to 1 95 in the camera menu Figure 5 shows the measured response with the correction algorithm in use A linear line starting at saturation the linear corrected response and the uncorre...

Page 14: ...oping edges will have widths measured much smaller than actual Figure 6 illustrates measured beam widths with and without the correction algorithm In this case the beam measurement without correction...

Page 15: ...s used in the creation of Figure 6 As seen below the beam without the correction algorithm appears much smaller than actual Figure 7 Fiber Output With Camera Correction Figure 8 Fiber Output Without C...

Page 16: ...used to improve this situation Convolution is a technique that averages the signals in a small matrix of pixels 3 X 3 in the case shown but gives heavier emphasis to the center pixel so that little re...

Page 17: ...ge of the camera Figure 9 demonstrates how keeping the peak fluence above 50 of the camera dynamic range keeps this effect to a minimum Figure 9 SP 1550M Beam Width Error vs Percent Peak Intensity Not...

Page 18: ...se coating As seen we have calibrated the response from 1527 nm to 1605 nm We have extrapolated the shorter wavelength region by comparing our measured response to data published over the entire range...

Page 19: ...with LBA PC OFF ON DO NOT USE ON OFF DO NOT USE ON ON DO NOT USE 1 12 2 Electronic Shutter Settings The electronic shutter can be used to attenuate the camera signal when the input power saturates the...

Page 20: ...iometer to full counter clockwise for minimum gain and the highest signal to noise ratio 1 12 6 Auto Iris Lens Pin Configuration and Level Adjustment The Auto Iris lens feature is not utilized by LBA...

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