Latest threads in Fiber Opticsshow only best voted threads
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filter ripple specified in nm, not dB?
I'm looking for some ITU G694.2 filters to use in an upcoming project, and found an inexpensive one: {12}72{9}22{6}56The ripple is listed in nm, rather than in dB over the pass band. I'm not sure what...
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17 years ago
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TOSA mounting.
I have a project that will be transmitting 10,000 analog signals of bandwidth 1.5 GHz a distance of 3 km. I had thought about using individual laser diodes in TOSA packages to do this. I have never...
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17 years ago
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VCSEL versus other laser diodes
AFAIK in the telecom buisness nobody uses VCSEL laser diodes yet, although they have a potential for Dense Wavelength Division Multiplexing. What is the big disadvantage compared to FP, DFB or...
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17 years ago
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Optical Cabling System For Field Apps
Hi There, I'd like to get your feedback about preconnectorized optical cabling systems, for use in LAN/Campus networks to be deployed in harsh outdoor environments by novices. I'm thinking of 6-pack...
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17 years ago
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Looking for Specific Type of Adapter
I'm looking for a metallic fiber optic connector that meets these requirements: - metal housing - SC female on both ends - square middle section with four screw holes, two for mounting to equipment. -...
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17 years ago
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LC connector
Hey guys, I would like to know whether or not the LC connector is fragile or less reliable than its SC and ST counterparts. I've heard from a few technicians that it breaks relatively quickly, is this...
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17 years ago
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evaluating CWDM prisms
I have a need for a few simple ITU-grid CWDM mux/demuxes. I'll be using colored SFPs/GBICs for the active components. My link budget is about 11.5 db after link loss, not including muxes. 8-wave...
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17 years ago
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Trumpf Trumatic L 2503 Floor plan & Foundation Instrctions
HI Everyone . Greetings and best wishes for the Holiday Season. We bought a Used CNC laser cutting machine make TRUMPF, TRUMATIC L 2503 LASERCUT, X/Y = 2540/1510 mm,with TLF 1200 turbo, capacity 1200...
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17 years ago
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Fiberpon Website finished
Hello Everyone, Fiberpon's website has been finished who is a professional ISP of Passive optical network and active ethernet devices. If some one interested in, Visit Yours any suggestion and idea...
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17 years ago
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Pulsed DFB Laser
I'm looking for a "single" mode DFB lasers in the 1500..1600nm range with a high peak power. I would like to use it pulsed with a very high duty rate at a high frequency,, so a single pulse would be...
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17 years ago
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low Rayleigh scattering
Hi, can anyone here recommend a PM-SM-fiber for 633nm that shows exceptionally low Rayleigh backscattering? I haven't found a commercial source for polarization maintaining hollow core photonic...
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17 years ago
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Fiber Cladding
Hi. How can I force the light beams to break the fiber cladding? So there will a light leakage from the side of the unjacketed fiber optic cable. Is it possible?
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17 years ago
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Attenuation factor
Hello, I am trying to calculate the attenuation factor of a symmetrical waveguide. To determine the attenuation factor, I need to calculate the free space propagation factor. The wavelength in the...
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17 years ago
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Laser Diode Driver
Does anyone know of a laser diode driver for 1.5 Gb/s, which comes packaged with a 50 ohm SMA connection? I have a laser diode that I am trying to directly modulate for telecoms applications - the...
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17 years ago
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How use a diode PIN
Thanks,i've a fiber optica diode PIN (epitaxx epm718) but i can't find a good circuit for capture the current modulation,now i've the best result with connect the katode to the oscilloscope probe and...
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17 years ago
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