LDM laser series
- General
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The LASOS® LDM laser series provide excellent beam quality in a variety of wavelengths based on the latest generation of laser diodes in the visible. Special features are:
- Compact and robust housing with fully integrated electronics
- Single mode output with high beam quality
- High power stability due to power control loop
- Direct modulation of the output power
- Low noise
- Adjustment free fiber coupling available
- Suitable for all plug-in system solutionsThe LASOS LDM laser series provide the ideal products for applications in bioanalytical research, particle measurements, confocal microscopy, metrology, industrial measurements, testing, medical, science, or education.
Customized solutions for specific applications are possible.
- Fiber Coupled
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Wavelength [nm] 405 415 425 445 460 473 488 515 638 642 660 685 Output power [mW] 50 50 50 20 40 35 35 10 75 60 50 25 Fiber Coupling Pigtail Fiber type Single mode,polarization maintaining Fiber length 2 m, others on request Fiber connector FC 8° polish, others on request Fiber jacket Standard: 3 mm PVC (PVC)
Optional: 5 mm steel-reinforced silicone (SRS)
Optional: 5 mm stainless steel (ST)Spectral width (FWHM) [nm] < 3 Polarization at fiber output > 80:1 Operation temperature range [°C] 15..40 Optical noise [30 Hz...10 MHz] [% rms] < 1 Power stability over 8 h [%] < ± 2 Analog modulation in power control mode [MHz] 1 Analog modulation in current control mode [MHz] 20 Digital modulation in current control mode [MHz] 100 Modulation signal [V] 0..5 Laser enable/disable TTL Signal. 1 MHZ Extinction ratio ≥ 100,000:1 Operating voltage [V] 12...15 Options:
- Collimated output
- Collimated output with precision plug (on request)
- Customized OEM versions
- Free Beam
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Wavelength [nm] 405 415 425 445 685 460 473 488 515 638 642 660 Output power [mW] 100 100 100 40 50 80 75 75 20 150 120 100 Beam diameter [mm] 0.8 Beam divergence [mm] ≤ 1.3 mm Spot roundness 0.5... 1.8 Beam quality M² < 1.4 (TEM00) Coupling efficiency into single mode fiber [%] ≥ 70 Pointing stability [µrad/K] < 6 Spectral width (FWHM) [nm] < 3 Polarization ratio > 100:1 Operation temperature range [°C] 15 ... 40 Optical noise [30 Hz...10 MHz] [% rms] <1 Power stability over 8 h [%] < ± 2 Analog modulations in power control mode [MHz] 1 Analog modulations in current control mode [MHz] 20 Digital modulation in current control mode [MHz] 100 Modulation signal [V] 0...5 Laser enable/disable TTL Signal, 1 MHz Extinction ratio ≥ 100,000:1 Operating voltage [V] 12...15 
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