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. Author manuscript; available in PMC: 2019 Dec 14.
Published in final edited form as: Anal Chem. 1992 Sep 15;64(18):2075–2078. doi: 10.1021/ac00042a009

Figure 2.

Figure 2.

Modulation of diode laser output at 791 nm as a function of rf power. Modulation was measured in the reference channel of the phase fluorometer as rf power at 30 MHz ranging from −10 dBm (100 μW) to +10dBm (10 mW) from the Marconi 2022A frequency synthesizer was varied. Data are shown for dc bias currents of 50 mA (solid circles, 7-mW laser output), 60 mA (open circles, 14 mW), and 70 mA (triangles, 19.3 mW).