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HFBR-4511 Datasheet(PDF) 2 Page - Agilent(Hewlett-Packard) |
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HFBR-4511 Datasheet(HTML) 2 Page - Agilent(Hewlett-Packard) |
2 / 11 page 2 Plastic Optical Fiber Specifications: HFBR-R/EXXYYY Absolute Maximum Ratings Parameter Symbol Min. Max. Unit Note Storage and Operating Temperature TS,O -55 +85 °C Recommended Operating Temperature TO -40 +85 °C Installation Temperature TI -20 +70 °C1 Short Term Tensile Single Channel FT 50 N 2 Dual Channel FT 100 N Short Term Bend Radius r 25 mm 3, 4 Long Term Bend Radius r 35 mm Long Term Tensile Load FT 1N Flexing 1000 Cycles 4 Mechanical/Optical Characteristics, TA = -40 to +85°C unless otherwise specified. Parameter Symbol Min. Typ.[5] Max. Unit Condition Cable Standard Cable, α O 0.15 0.22 0.27 dB/m Source is HFBR-15XX Attenuation Type "R" (660 mm LED, 0.5 NA) Extra Low Loss, 0.15 0.19 0.23 = 50 meters Type "E" Reference Standard Cable, α R 0.12 0.19 0.24 dB/m Source is 650 nm, Attenuation Type "R" 0.5 NA monochrometer, Extra Low Loss, 0.12 0.16 0.19 = 50 meters Type "E" Note 7, Figure 1 Numerical Aperture NA 0.46 0.47 0.50 >2 meters Diameter, Core and Cladding DC 0.94 1.00 1.06 mm Diameter, Jacket DJ 2.13 2.20 2.27 mm Simplex Cable Propagation Delay Constant l/v 5.0 ns/m Note 6 Mass per Unit Length/Channel 5.3 g/m Without Connectors Cable Leakage Current IL 12 nA 50 kV, = 0.3 meters Refractive Index Core n 1.492 Cladding 1.417 Notes: 1. Installation temperature is the range over which the cable can be bent and pulled without damage. Below -20 °C the cable becomes brittle and should not be subjected to mechanical stress. 2. Short Term Tensile Force is for less than 30 minutes. 3. Short Term Bend Radius is for less than 1 hour nonoperating. 4. 90 ° bend on 25 mm radius mandrel. Bend radius is the radius of the mandrel around which the cable is bent. 5. Typical data are at 25 °C. 6. Propagation delay constant is the reciprocal of the group velocity for propagation delay of optical power. Group velocity is v=c/n where c is the velocity of light in free space (3xl08 m/s) and n is the effective core index of refraction. 7. Note that α R rises at the rate of about 0.0067 dB/°C, where the thermal rise refers to the LED temperature changes above 25 °C. Please refer to Figure 1 which shows the typical plastic optical fiber attenuation versus wavelength at 25 °C. Force |
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