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C- and L-Band Single Angled Facet Gain Chips![]()
Actual Size Compared SAF1118C Chip on Submount SAF1126H Chip on Submount ![]() Please Wait Features
Single Angled Facet (SAF) gain chips use a geometric technique to further reduce the reflection on one end of the chip by curving the ridge waveguide so that it is not normally incident to the chip facet. This, in combination with an AR coating on that facet, virtually eliminates back reflections that can create unwanted feedback into the laser cavity. As a result, SAF gain chips are superior to standard gain chips when used in Extended Cavity Lasers (ECLs), particularly tunable ECLs, since any residual reflection from the AR-coated Fabry-Perot (FP) gain chip facet often limits the stability, output power, and spectral quality of the laser. Our C-band and L-Band SAF gain chips are each available in two configurations. The SAF1126C and SAF1118C feature our C-band chip and L-band chip, respectively, on a submount, while the SAF1126H and SAF1118H feature the same C-band chip and L-band chip, respectively, on the same submount with an added heatsink and connected cathode and anode leads. The SAF1126C C-Band chip and SAF1118C L-band chip are offered on a submount, while the SAF1126H C-band chip and SAF1118H L-band chip are provided on the same submount with a heatsink and connected cathode and anode leads. SAF1126C C-Band SAF Gain Chip
*Specifications based on a Littrow external cavity configuration, external cavity losses that are <5 dB CW, and a chip temperature of 25 oC. SAF1118C L-Band SAF Gain Chip
*Specifications based on a Littrow external cavity configuration, external cavity losses that are <5 dB CW, and a chip temperature of 25 oC. SAF1126 PerformanceSAF1118 Performance![]() Click to Enlarge Diagram of the Anode and Cathode Pins of the SAF1126C and SAF1118C ![]() Click to Enlarge Diagram of the Anode and Cathode Pins of the SAF1126H and SAF1118H
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