Bristol
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| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 228 Series |
| Wavelength Range | 700–1650 nm (182–429 THz) |
| Absolute Accuracy | ±0.2 ppm (±0.3 pm @ 1550 nm) |
| Repeatability | ±0.1 ppm |
| Calibration Source | Stabilized He-Ne Laser |
| Measurement Refresh Rate | 10 Hz |
| Power Measurement Accuracy | ±0.5 dB (±30 nm from 1310/1550 nm) |
| Sensitivity | –30 dBm @ 1250–1650 nm |
| Max Input Power | +10 dBm (displayed), +18 dBm (safe) |
| Interface | USB 2.0, Ethernet (GPIB optional) |
| Warm-up Time | <15 min |
| Dimensions (H×W×L) | 89 × 432 × 381 mm |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 338 Series |
| Wavelength Range | 1270–1680 nm (179–236 THz) |
| Absolute Accuracy | ±0.2 ppm (±0.3 pm @ 1550 nm) / ±0.65 ppm (±1.0 pm @ 1550 nm) |
| Repeatability | ±0.03 ppm / ±0.1 ppm |
| Max Measurement Bandwidth | 10 GHz (80 pm @ 1550 nm) |
| Calibration Source | Stabilized HeNe Laser (338A) / Standard HeNe Laser (338B) |
| Display Resolution | 0.00001 nm (338A) / 0.0001 nm (338B) |
| Power Accuracy | ±0.5 dB (±30 nm around 1310 nm & 1550 nm) |
| Power Range | –30 dBm (1270–1650 nm), –25 dBm (1650–1680 nm) |
| Saturation | +10 dBm |
| Damage Threshold | +18 dBm |
| Input Connector | FC/UPC or FC/APC |
| Warm-up Time | <15 min (338A), No warm-up required (338B) |
| Interface | USB, Ethernet, GPIB (optional) |
| Measurement Rate | 25 Hz |
| Units | nm, cm⁻¹, THz, dBm, mW, µW |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 428 Series |
| Wavelength Range | 1270–1650 nm (182–236 THz) |
| Absolute Accuracy | ±0.2 ppm |
| Calibration Source | Stabilized HeNe Laser |
| Max Channels Simultaneous Measurement | 1000 |
| Update Rate | 4 Hz |
| Power Measurement Accuracy | ±0.5 dB (±30 nm from 1310/1550 nm) |
| Minimum Input Power | −40 dBm (1270–1600 nm) |
| Maximum Input Power | +10 dBm |
| Display Resolution | 0.0001 nm |
| Output Interfaces | USB 2.0, Ethernet (GPIB optional) |
| Dimensions (H×W×L) | 89 mm × 432 mm × 381 mm |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 438 Series |
| Wavelength Range | 1000–1680 nm (179–300 THz) |
| Absolute Accuracy | ±0.2 ppm (438A) / ±0.65 ppm (438B) |
| Power Measurement Range | –40 dBm to +10 dBm |
| Power Accuracy | ±0.5 dB (within ±30 nm of 1310 nm and 1550 nm) |
| Measurement Rate | 4 Hz (250 ms per acquisition) |
| Simultaneous Channels | Up to 1000 |
| Calibration Source | Built-in Stabilized HeNe Laser |
| Interface | USB 2.0, Ethernet (GPIB optional) |
| Display Resolution | 0.00001 nm (438A) / 0.0001 nm (438B) |
| Dimensions (H×W×L) | 89 mm × 432 mm × 381 mm |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 671 Series |
| Wavelength Range | 375 nm – 5 µm (671A), 375 nm – 12 µm (671B) |
| Absolute Accuracy | ±0.2 ppm (VIS/NIR), ±0.75 ppm (IR), ±1 ppm (MIR) |
| Repeatability | ±0.03 ppm (VIS/NIR), ±0.06 ppm (IR), ±0.1 ppm (MIR) |
| Calibration Source | Stabilized He-Ne Laser |
| Input Options | Fiber-coupled (VIS/NIR), Collimated Beam with Alignment Pilot (IR/MIR) |
| Minimum Input Power | 10–250 µW (VIS/NIR), 65–925 µW (IR/MIR) |
| Display Resolution | 9 digits (671A), 8 digits (671B) |
| Units | nm, µm, cm⁻¹, GHz, THz |
| Warm-up Time | <15 min (671A), None required (671B) |
| Dimensions (H×W×L) | 142×165×381 mm (VIS/NIR), 191×165×381 mm (IR/MIR) |
| Interface | USB 2.0 with SCPI-compatible command set for OEM integration |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 771 Series |
| Wavelength Range | VIS (375–1100 nm), NIR (520–1700 nm), IR (1–5 µm), MIR (1–12 µm) |
| Absolute Wavelength Accuracy | ±0.2 ppm (VIS/NIR), ±0.75 ppm (IR/MIR) |
| Spectral Resolution | 4 GHz standard / 2 GHz high-res (VIS/NIR) |
| Calibration Source | Internal stabilized He-Ne laser |
| Input | Fiber-coupled (VIS/NIR), collimated beam with alignment guide (IR/MIR) |
| Warm-up Time | <15 min (VIS/NIR), no warm-up required (IR/MIR) |
| Dimensions (H×W×L) | 142×165×381 mm (VIS/NIR), 191×165×381 mm (IR/MIR) |
| Interface | USB 2.0 with SCPI command set for OEM integration |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 772B-MIR |
| Laser Type | CW or Pulsed (Rep. Rate ≥ 100 Hz) |
| Wavelength Range | 1–12 µm |
| Spectral Resolution | 4 GHz |
| Wavelength Accuracy | ±10 ppm (±0.08 nm @ 8 µm |
| Optical Rejection | >20 dB (>30,000 pulses) |
| Minimum Input Power | 0.005–2.5 µW |
| Measurement Time | 2 × Number of Pulses |
| Input | Free-space beam with auxiliary visible alignment guide |
| Display Units | 8-digit readout in nm, µm, cm⁻¹, GHz, THz |
| Calibration | Internal continuous calibration |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 828B |
| Wavelength Range | 1250–1650 nm (182–240 THz) |
| Absolute Accuracy | ±0.65 ppm (±1.0 pm @ 1550 nm) |
| Repeatability | ±0.2 ppm |
| Calibration Source | Internal NIST-traceable HeNe laser |
| Measurement Rate | 1000 Hz |
| Power Measurement Accuracy | ±0.5 dB (within ±30 nm of 1310/1550 nm) |
| Minimum Input Power | –40 dBm @ 100 Hz (0.1 µW) |
| Maximum Input Power | +10 dBm (display), +18 dBm (safe) |
| Display Resolution | 0.0001 nm |
| Output Units | nm, cm⁻¹, THz |
| Interface | USB 2.0, Ethernet (GPIB optional) |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 521 |
| Wavelength Range | 400–1100 nm (521-VIS) / 500–1700 nm (521-NIR) |
| Absolute Accuracy | ±10 ppm |
| Repeatability | ±5 ppm |
| Calibration Source | Built-in Moiré fringe reference |
| Measurement Rate | 10 Hz |
| Minimum Input Power | 5–30 µW (wavelength-dependent) |
| Input Interface | Pre-aligned FC/PC fiber port (free-space coupling optional) |
| Display Resolution | 6 digits |
| Units | nm, cm⁻¹ (vacuum or air), GHz |
| Dimensions (H×W×L) | 64 × 140 × 229 mm |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 621 |
| Wavelength Range | 350 nm – 11 µm (configurable by variant) |
| Absolute Accuracy | ±0.2 ppm (VIS/NIR), ±0.75 ppm (IR/MIR/XIR) |
| Repeatability | ±0.03 ppm (VIS/NIR), ±0.06–±0.1 ppm (IR–XIR) |
| Calibration Source | Internal Stabilized HeNe Laser |
| Minimum Input Power | 5–65 µW (wavelength-dependent) |
| Interface | High-Speed USB 2.0 |
| Display Resolution | 9 digits (621A), 8 digits (621B) |
| Units | nm, cm⁻¹ (vacuum/atmospheric), GHz |
| Input Options | FC/PC fiber (VIS/NIR), 2 mm collimated beam with alignment red pilot (IR+) |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 821-B |
| Wavelength Range | 350–1700 nm (VIS: 350–1100 nm |
| NIR | 630–1700 nm) |
| Absolute Accuracy | ±0.02 cm⁻¹ (±0.001 nm @ 700 nm |
| Repeatability | ±0.002 cm⁻¹ (±0.0001 nm @ 700 nm |
| Calibration Source | Integrated HeNe laser |
| Measurement Rate | Up to 200 Hz |
| Input Interface | Pre-aligned FC/PC fiber port (free-space coupling optional) |
| Minimum Pulse Energy | 15 µJ @ 350 nm, 1 µJ @ 700 nm, 100 µJ @ 1100–1700 nm |
| Display Resolution | 8 digits |
| Units | nm, cm⁻¹ (vacuum or air), GHz |
| Dimensions (H×W×L) | 190 × 165 × 381 mm |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Model | 872 Series |
| Wavelength Range (VIS) | 375–1100 nm |
| Wavelength Range (NIR) | 630–1700 nm |
| Absolute Accuracy | ±0.2 ppm (±0.0002 nm @ 1000 nm) |
| Resolution | 0.001 ppm (300 kHz @ 300,000 GHz) |
| Measurement Rate | 1 kHz |
| Input | Fiber-coupled (free-space option available) |
| Calibration | Internal wavelength reference standard |
| PID Control | Integrated |
| Warm-up Time | <15 min |
| Dimensions (H×W×L) | 89 mm × 432 mm × 381 mm |
| Minimum Pulse Energy | 3–300 nJ (VIS), 50–600 nJ (NIR) |
| Brand | Bristol |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Bristol |
| Price Range | USD 42,000 – 113,000 (based on configuration) |
| Measurement Principle | White-Light Interferometry (WLI) with Coherence Scanning |
| Max. Layers Measured | 31 |
| Measurement Accuracy | ±0.1 µm (for high-precision configurations) / ±1 µm (standard) |
| Measurement Confidence Level | ≥99.7% (3σ) |
| Calibration Standard | NIST-traceable intrinsic length reference |
| Measurement Frequency | Up to 20 Hz |
| Optical Path Length Options | 12 mm / 40 mm / 80 mm |
| Interface | USB 3.0 and Gigabit Ethernet |
| Software Platform | Windows-based proprietary optical metrology suite with LabVIEW/.NET API support |
| Optional Automation Interfaces | TCP/IP real-time data streaming |