Products > Diodes > Cascades™ Actively Cooled Diode Laser Bars
CASCADES™ VERTICAL STACKED ARRAYS
Combining nLIGHT’s high-power Cascades™ diode laser bars with an industry leading vertical pitch, the Cascades™ vertical stacked array product series offers unparalleled brightness for leading-edge applications.
Available wavelengths range from 808 nm to beyond 2000 nm, and up to 20 bars can be arranged in a single package. Fast-axis collimation is an available option, and combined with nLIGHT’s low-smile bars, produces beams with low-divergence for demanding applications. nLIGHT’s Cascades™ vertical stacked arrays are available with an optional water manifold for ease of use.
- Low bar smile
- Fast-axis lensing
- High polarization purity
- nXLT™ diode technology
- High power
- High reliability
- Solid-state laser pumping
- Materials processing
- Medical therapeutics
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| | VSA-ww-xxxx-yyyy1 | | Optical | | | | | | Center Wavelength (Range)¹ | nm | 790 - 825 | 910 - 980 | 1400 - 1600 | | Center Wavelength Tolerance | nm | ± 3 | ± 3 | ± 5 | | Number of Bars | # | 1 - 20 | 1 - 20 | 1 - 20 | | CW Output Power / Bar | W | 60 | 100 | 60 | | Bar Length | cm | 1 | 1 | 1 | | Number of Emitters / Bar | # | 49 | 49 | 19 | | Emitter Size | µm | 100 | 100 | 100 | | Emitter Spacing | µm | 200 | 200 | 500 | | Spectral Width (FWHM) | nm | 3.2 | 3 | < 10 | | Slope Efficiency | W / A | 1.6 | 1.12 | > 0.4 | | Polarization | TM or TE | TM | TE | TE | | Fast-axis Divergence | Degrees | 34.7° | 34.8° | 27° | | Fast-axis Divergence (Lensed) | Degrees | 0.25° | 0.25° | 0.25° | | Slow-axis Divergence | Degrees | 5.4° | 5° | 10° | | Wavelength Temperature Coefficient2 | nm / °C | 0.28 | 0.3 | 0.4 | | Electrical | | | | | | Power Conversion Efficiency | % | 51 | 48.8 | 30 | | Threshold Current (ITH) | A | 14 | 8 | 10 | | Operating Current (IOP) | A | 65.2 | 114.5 | 70 | | Operating Voltage / Bar (VOP) | V | 1.99 | 1.93 | 1.2 | | Series Resistance / Bar (RS) | Ω | 0.0023 | 0.001 | 0.005 | | Mechanical | | | | | | Storage Temperature Range3 | °C | 10 - 40 | 10 - 40 | 10 - 40 | | Fluid Flow Rate | ml/min/plate | 200 - 250 | 200 - 250 | 200 - 250 | | Max Inlet Pressure | psi | 55 | 55 | 55 | | Deionized Water Resistivity | MΩ-cm | 0.25 - 0.5 | 0.25 - 0.5 | 0.25 - 0.5 | | Filter | µm | < 20 | < 20 | < 20 | | Thermal | | | | | | Thermal resistance4 | °C / W | 0.35 | 0.35 | 0.35 | | Operating temperature | °C | 20 to 35 | 20 to 35 | 20 to 35 | | | VSA-ww-xxxx-yyyy1 | | Optical | | | | | Center Wavelength | nm | 790 - 825 | 910 - 980 | | Center Wavelength Tolerance | nm | ± 3 | ± 3 | | Number of Bars | # | 1 - 20 | 1 - 20 | | CW Output Power / Bar | W | 80 | 50 | | Bar Length | cm | 1 | 1 | | Number of Emitters / Bar | # | 64 | 49 | | Emitter Size | µm | 120 | 100 | | Emitter Spacing | µm | 150 | 200 | | Spectral Width (FWHM) | nm | < 3 | < 4 | | Slope Efficiency | W / A | > 1.05 | > 0.9 | | Polarization | TM or TE | TM | TE | | Fast-axis Divergence | Degrees | 36° | 38° | | Fast-axis Divergence (Lensed) | Degrees | 0.25° | 0.25° | | Slow-axis Divergence | Degrees | 10° | 10° | | Wavelength Temperature Coefficient1 | nm / °C | 0.28 | 0.3 | | Electrical | | | | | Power Conversion Efficiency | % | 48 | 52 | | Threshold Current (ITH) | A | 26 | 12 | | Operating Current (IOP) | A | 110 | 95 | | Operating Voltage / Bar (VOP) | V | 1.85 | 1.6 | | Series Resistance / Bar (RS) | Ω | 0.005 | 0.005 | | Mechanical | | | | | Storage Temperature Range3 | °C | 10 - 40 | 10 - 40 | | Fluid Flow Rate | ml/min/plate | 200 - 250 | 200 - 250 | | Max Inlet Pressure | psi | 55 | 55 | | Deionized Water Resitivity | MΩ-cm | 0.25 - 0.5 | 0.25 - 0.5 | | Filter | µm | < 20 | < 20 | | Thermal | | | | | Thermal resistance4 | °C / W | 0.35 | 0.35 | | Operating temperature | °C | 20 to 35 | 20 to 35 | .gif)
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