Pump Diode Laser ModuleOEM Service Offer 915nm / 940nmK9XXDA5RN-50.00WFeatures:# Output power 50W# 105m fiber core diameter# 0.22N.A.# Wavelength 940nm, 976nm# 1030nm-1200nm feedback protectionApplications:# Fiber laser pumping# Medical use# Material processing----Specifications(25)|Symbol|Unit|K940DA5RN-50.00W|K976DA5RN-50.00W|Optical Data|CW-Output Power|P0|W|50|Center Wavelength|c|nm|940|976|Tolerance of|-|nm|3, 10|Spectral Width (FWHM)||nm|<5|Temperature Drift of|-|nm/|~0.3|Fiber Data(1)|Fiber Core Diameter|Wc|m|105|Numerical Aperture|N.A.|-|0.22|Fiber Connector|-|-|SMA-905|Electrical Data|Operating Current|Iop|A|12|Threshold Current|Ith|A|0.5|Conversion Efficiency||%|46|Slope Efficiency|D|W/A|5.2|Operating Voltage|Vop|V|10.8|Reverse Voltage|Vre|V|15|FeedbackIsolation|Wavelength Range||nm|1030-1200|Isolation|-|dB|>30|Others|Operating Temperature|Top||10~30|Storage Temperature|Tst||-20~+80|Expected Lifetime|MTTF|h|>100, 000|Dimensions (fiber and connector not included)|-|mm|60.0 x 50.0 x 25.0|Lead Soldering Temperature|Tis||260(10 sec.)|----(1)Upon request other fibers available.