InGaAs APD Laser Rangefinder Receivers ROXTM Series - Voxtel

ROX TMSeriesUltra Low Noise ModelInGaAs APDLaser Rangefinder ReceiversROX Series Lowest Cost, BestPerformance LRF ReceiversFeatures▪▪950 – 1700 nm spectral response▪▪High gain, low noise APD allowssuperior range and low falsealarm rate▪▪Noise equivalent power (NEP) of 2nW for 3.8 ns pulse widths▪▪▪▪▪▪▪▪▪▪▪▪▪▪70 dB dynamic range0.3 m range precision over entiredynamic range10 nW sensitivity reduces laserpulse energy requirementsTemperature-compensatedavalanche gain, with nothermoelectric coolers allowslower system power consumptionVariable threshold with timeddecay85,000 hrs MTBFQualified to MIL-PRF-38535, MIL-STD-833, MIL-STD-750, and MIL-STD-202ApplicationsModel RVC1-JIAA: 75 µm APD ReceiverROX performance allows system cost advantages by reducing laserpower requirements, which also reduces system size, weight, and power.The ROX series of high-sensitivity laser rangefinder receiver (LRFR) integratesVoxtel’s high-performance avalanche photodiodes (APDs), custom-designed CMOSapplication specific integrated circuits (ASICs), and processing circuits to provideflexible system integration and reliable performance, all in a small TO-8 package.••Performance: Superior to standard photodiode detectors (PIN detectors)by virtue of avalanche gain (M) values up to M=25.••Avalanche noise: At half the excess noise of other commercially availableAPDs, the ROX LRF receiver provides superior range and false alarmperformance than the competition.••Automatic Gain Control: ROX technology automatically adjusts APD biasvoltage to optimize performance in multiple use case regimes.••Threshold Optimization: Selectable threshold with APD gain control enablesoptimized time over threshold and eliminates range walk error.▪▪▪▪▪▪▪▪▪▪▪▪▪▪Laser range findingFree-space opticalcommunicationsOptical time domainreflectometryOptical coherence tomographyFluorescence measurements,spectroscopy, chromatographyand electrophoresisTelecommunicationsLADAR/LIDAR••High Dynamic Range: 70 dB of dynamic range enables 55 db of linearrange, signal detection of 8 nW to 2.5 mW, with additional dynamic range ofup to 100 mW of overload protection.••Laser Damage Protection: With control capability of ROX technology,damage protection of up to 6 MW/cm 2 of peak power is standard.••Microprocessor controlled gain compensation: Allows performance tobe optimized over the -40 ° C to 80 ° C temperature range, without the use ofthermoelectric cooling.••Options: The 75μm standard standard configuration is designed for ultralow noise. A 200μm option is designed for large areas. Both have 40MHzof bandwidth. Standard fiber pigtail options for the 75μm receivers include62.5/125 graded-index and 105/125 step-index multi-mode fibers.Voxtel, Inc., 15985 NW Schendel Avenue, #200, Beaverton, OR 97006, www.voxtel-inc.com, T 971.223.5646, F 503.296.2862

ROX TMSeriesUltra Low Noise ModelInGaAs APDLaser Rangefinder ReceiversRVC1-JIAA Specifications40 MHz ROX Receiver w/ 75-μm Deschutes BSI R-APD in a TO-8 PackageParameter Min Typical Max UnitsSignal Input Pulse Width 3.5 ns (Gaussian)Spectral Response, λ 950 1550 1750 nmOptically Active Diameter 75 μmBandwidth 40 MHzLow Frequency Cutoff 100 300 kHzAPD Operating Gain, M 1 10 25Small Signal Responsivity 890 8900 1 71200 kV/WTemporal Resolution 2 206 ps RMSPulse Pair Resolution 100 nsLinear Dynamic Range 25 dBTotal Dynamic Range 70 dBComparator Threshold level 0.48 VNoise Equivalent Power 1,3,4 1.1 2 2.4 nWSignal Sensitivity 5.5 10.0 12.0 nWPower RequirementsLow Voltage Current DrawThreshold level (1.8V)High Voltage Current DrawThreshold level (