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| Brand | SRS (Stanford Research Systems) |
|---|---|
| Origin | USA |
| Model | DG535 |
| Delay Channels | 4 independent |
| Pulse Outputs | 2 fully programmable |
| Delay Resolution | 5 ps |
| RMS Jitter | 50 ps |
| Max Delay Range | 1000 s |
| Output Voltage Range | Adjustable amplitude and offset, up to ±35 V (with optional high-voltage module) |
| Rise/Fall Time | <100 ps (with optional module) |
| Standard Interface | GPIB (IEEE-488.2), RS-232 available via adapter |
| Compliance | CE, RoHS |
| Brand | Teledyne Judson |
|---|---|
| Model | InAs |
| Wavelength Range | 1.0–3.8 µm |
| Detector Type | Photovoltaic (Zero-Bias Operation) |
| Cooling | Multi-stage Thermoelectric (TE) Cooling |
| Pulse Response | <10 ns (typ.) |
| Operating Mode | DC to Low-Frequency & Pulsed Laser Monitoring |
| Compliance | RoHS-compliant packaging, compatible with ISO/IEC 17025-aligned calibration workflows |
| Brand | LabSphere |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | SRT |
| Pricing | Available Upon Request |
| Brand | SRS/Stanford Research Systems |
|---|---|
| Origin | USA |
| Model | SR400 |
| Maximum Count Rate | 200 MHz |
| Pulse Resolution | 5 ns |
| Operating Modes | Gated and Continuous |
| Interface | GPIB and RS-232 |
| Brand | SRS/Stanford Research Systems |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | LDC501 |
| Pricing | Available Upon Request |
| Brand | Labsphere |
|---|---|
| Origin | USA |
| Model | Spectraflect® |
| Reflectance | Up to 99% (250–2500 nm) |
| Lambertian Performance | Excellent |
| Spectral Range | UV-VIS-NIR-SWIR (250–16,000 nm, material-dependent) |
| Durability | Chemically inert, hydrophobic, non-outgassing, non-toxic |
| Compliance | NASA-qualified, MIL-STD-810G tested, ISO 9001 certified manufacturing |
| Material Options | Spectralon® (PTFE-based), Duraflect® (ceramic-reinforced polymer), Infragold® (electroless gold-plated aluminum) |
| Brand | Pyreos |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | PSD |
| Pricing | Upon Request |
| Brand | Vertilon |
|---|---|
| Origin | USA |
| Model | IQSP |
| Channel Configurations | 32–64 channels |
| Resolution | 14–16 bits |
| Dynamic Range | 84–96 dB |
| Max Charge Capacity | 2 × 10⁻⁹ C to 5 × 10⁻¹² C |
| Equivalent Max Photons | 3,121–12,484 photons |
| Input Noise Charge | 30–55 × 10⁻¹⁵ C |
| Equivalent Input Noise Photons | 0.19–0.34 photons |
| Max Trigger Frequency | 120–390 kHz |
| Max Continuous Events | 500,000–1,000,000 |
| Event Pair Resolution | 2.5–7.0 µs |
| Sustained Average Event Rate | 35–65 k events/s |
| USB Throughput | 5.3 MB/s |
| PMT Interface Compatibility | Hamamatsu multi-anode PMTs (R5900U-L16, H7260, H8500D, H8711, H7546) |
| Detector Geometry Support | Linear arrays & 2D anode configurations (e.g., 4×4, 8×8) |
| HV Bias Supply | Integrated cathode bias input per channel |
| Pre-amplification | Dynode-stage fast output with optional dynode circuitry |
| Software | Windows-native GUI, USB-class-compliant driver, real-time histogramming and event list export |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic (China) |
| Model | PbSe |
| Pricing | Upon Request |
| Brand | SRS (Stanford Research Systems) |
|---|---|
| Origin | USA |
| Model | SR250 |
| Sampling Gate Width | 2 ns |
| Maximum Trigger Frequency | 50 kHz |
| Averaging Rate | Up to 10,000 sweeps/sec |
| Output Types | Analog and Digital |
| Modular Chassis Compatibility | SR280 Mainframe |
| Interface | SR245 Computer Interface |
| Software | SR272 Control Software |
| Optional Modules | SR240 (4-Channel 300 MHz Preamplifier), SR200 (Gate Scanner), SR235 (Analog Processor with Background Subtraction, Variable Filtering & Gain) |
| Brand | Photek |
|---|---|
| Origin | United Kingdom |
| Model | PMT Series |
| Wavelength Range | 115–850 nm (dependent on photocathode and window material) |
| Photocathode Types | Bialkali, Rb-Bialkali, Multialkali S20, High-Temperature Bialkali, Solar-Blind Cs-Te |
| Window Materials | UV-grade fused silica, borosilicate glass, MgF₂ |
| Typical Active Diameter | 19–280 mm |
| Operating Temperature Range | −30 °C to +200 °C (model-dependent) |
| Housing Options | Side-on & Head-on configurations |
| Compatible Accessories | HV power supplies, voltage dividers, magnetic shields, cryogenic housings, thermoelectric coolers |
| Brand | OSI Optoelectronics |
|---|---|
| Origin | USA |
| Product Type | Imported Spectroscopy Detector |
| Model Designation | SI-Series (including PIN, UV-Enhanced, Soft X-ray, Position-Sensitive, and APD variants) |
| Packaging | Ceramic or Plastic TO-18/TO-5 |
| Spectral Range | 350–1100 nm (standard Si), 6 eV–17.6 keV (soft X-ray), 254 nm (UV-enhanced), 820 nm peak (APD) |
| Response Time | 10 ns (photoconductive mode, biased), 0.4 ns (APD @850 nm, G=100) |
| Dark Current | ≤0.01 nA (standard PIN), <1 pA (low-noise variants) |
| Responsivity | 0.65 A/W (typ. @633 nm), 0.14 A/W @254 nm (UV-enhanced), 42 A/W @850 nm (APD, G=100) |
| Quantum Efficiency | >90% (UV-enhanced, back-illuminated), ~100% internal QE (inverted channel), high QE across soft X-ray band |
| Compliance | RoHS-compliant packaging |
| Brand | OSI Optoelectronics |
|---|---|
| Origin | USA |
| Detector Material | Germanium (Ge) |
| Spectral Range | 800–1800 nm |
| Cooling Options | Uncooled, Thermoelectric (TE), Liquid Nitrogen (LN₂) |
| Active Area Options | 0.25–13 mm² |
| Package Types | TO-8, TO-5, and Custom Mounts |
| Compliance | RoHS-compliant, CE-marked for lab instrumentation use |
| Key Performance Parameters | Shunt Resistance (1–2400 kΩ), Dark Current (0.03–100 µA), NEP (0.02–200 pW/Hz¹ᐟ²), Capacitance (0.03–12 nF), Cutoff Frequency (0.1–400 MHz), Reverse Bias Voltage (up to 400 V) |
| Brand | SRS/Stanford Research Systems |
|---|---|
| Origin | USA |
| Model | DG645 |
| Output Channels | 4 TTL pulse outputs with up to 8 independently programmable delay transitions |
| Timing Jitter | <25 ps RMS |
| Maximum Trigger Rate | 10 MHz |
| Laser Synchronization | Yes, lockable to 80 MHz external reference |
| Time Resolution | 5 ps per channel |
| Clock Source | Oven-controlled rubidium oscillator |
| Interfaces | Ethernet, GPIB (IEEE-488), RS-232 |
| Brand | SRS/Stanford Research Systems |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SR620 |
| Price | Upon Request |
| Single-Shot Time Resolution | 25 ps |
| Frequency Range | DC to 1.3 GHz |
| Time Interval Resolution | 25 ps |
| Display Resolution | 11 digits (at 1 s gate time) |
| Output Interfaces | GPIB (IEEE-488.2), RS-232 |
| Data Output | XY Plot Mode, Statistical Analysis (Allan Deviation, Histogram, Mean/Std Dev), Real-Time Serial Streaming |
| Brand | Teledyne Judson |
|---|---|
| Model | PbS |
| Spectral Range | 1.0–3.5 µm |
| Detector Type | Photoconductive |
| Cooling Options | Thermoelectric (TEC) Stages Available (Standard, Enhanced Stability, Low-Noise Configurations) |
| Origin | Beijing, China |
| Distribution Channel | Authorized Distributor |
| Compliance | RoHS Compliant, CE Marked for Instrument Integration |
| Brand | SRS/Stanford Research Systems |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | PRS10 |
| Output Frequency | 10 MHz sine wave |
| Output Amplitude | 0.5 Vrms ±1% |
| Long-term Aging (Monthly) | <5×10⁻¹¹ |
| Long-term Aging (Annual) | <5×10⁻¹⁰ |
| Short-term Stability (Allan Deviation) | <2×10⁻¹¹ @ 1 s |
| Harmonic Distortion | <-25 dBc |
| Warm-up & Lock Time | 6 min to lock, frequency deviation <1×10⁻⁹ within 7 min |
| Power Supply | +24 VDC |
| Dimensions | 76 × 101 × 51 mm (3″ × 4″ × 2″) |
| Phase Noise | <-130 dBc/Hz @ 10 Hz offset |
| 1 PPS Input | Yes, for external reference disciplining (e.g., GPS) |
| Holdover Performance | Stratum 1 compliant for ≥72 hours |
| Interface | RS-232 serial port |
| Expected Lifetime | ≥20 years |
| Brand | SRS/Stanford Research Systems |
|---|---|
| Origin | USA |
| Model | CG635 |
| Frequency Range | 1 µHz to 2.05 GHz |
| Random Jitter | < 1 ps RMS |
| Frequency Resolution | 16-bit |
| Rise/Fall Time | 80 ps |
| Output Logic Families | CMOS, PECL, ECL, LVDS, RS-485 |
| Phase Control & Time Modulation | Yes |
| Optional Timebases | OCXO or Rubidium Standard |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | InSb |
| Pricing | Upon Request |
| Origin | UK |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SPM Series (MicroSPM, MiniSPM, Array4SPM, MatrixSPM) |
| Pricing | Available Upon Request |
| Brand | IRD |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Models | AXUV Series / SXUV Series / UVG Series |
| Pricing | Available Upon Request |
| Brand | Pyreos |
|---|---|
| Origin | United Kingdom |
| Model | PYR-TP Series (Thin-Film PZT) |
| Detector Material | Lead Zirconate Titanate (PZT) Ferroelectric Film |
| Film Thickness | 1 µm |
| Spectral Range | 1.2–20 µm |
| Detectivity (D*) | >1 × 10⁹ cm·√Hz/W @ 10 Hz (typ.), ~3.5 × 10⁸ cm·√Hz/W @ 10 Hz (1 mm × 1 mm element) |
| Responsivity | Up to 150,000 V/W @ 500 K, 10 Hz |
| Noise Equivalent Power (NEP) | ~0.4 mV·√Hz/W |
| Response Time | <5 ms (bandwidth up to 3.3 kHz) |
| Curie Temperature | ~600 °C |
| Operating Temperature Range | –40 °C to +85 °C (uncooled) |
| Pixel Configurations | Single-point, 128×1, 128×2, 512×1 linear arrays |
| Active Area Options | 150 µm × 150 µm to 3 mm × 2 mm |
| Filter Integration | Optional integrated linear variable filters (LVF) for NIR: 1.3–3.2 µm |
| MIR/FIR | 2–20 µm |
| Compliance | RoHS, REACH, ISO 9001-manufactured |
| Brand | SRS/Stanford Research Systems |
|---|---|
| Origin | USA |
| Model | DS345 |
| Frequency Range | 1 µHz to 30.2 MHz |
| Frequency Resolution | 1 µHz |
| Waveforms | Sine, Square, Ramp, Triangle, Noise |
| Modulation Types | AM, FM, Phase Modulation, Burst, Linear/Logarithmic Sweep |
| Arbitrary Waveform Memory | 16,300 points |
| Sample Rate | 40 MSa/s |
| Reference Input | 10 MHz |
| Optional Interfaces | RS-232, GPIB |
| Brand | ARS |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Helitran Series |
| Pricing | Available Upon Request |
| Temperature Range | 2 K – 350 K (with He-4) or 77 K – 350 K (with LN₂) |
| Cooling Method | Open-cycle helium or liquid nitrogen cryogen flow |
| Control System | Integrated temperature sensor and resistive heater subsystem |
| Vacuum Enclosure | Included with radiation shield |
| Sample Mounting | Modular sample stage options available |
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