Home  >  Wavelengths 370nm-561nm  >  Coherent  >  1178748 / 375NM-OBIS-LASER


Turn-Key 375nm Single Mode Semiconductor Laser Diode System for Scientific R&D Applications; User Adjustable Output Power up to 50mW

  • Coherent 375nm UV Free Space Laser System
  • UV Laser Diode Source Head
  • Rear Panel of OBIS Laser Controller, 375nm
  • Coherent OBIS ultra-violet laser diode controller
  • 375nm-laser-diode-installation-guide
  • Rear Panel, Coherent Laser Diode Controller
  • OBIS Laser Head Free Space Dimensions

sku / item#: 1178748 / 375NM-OBIS-LASER
ships: Request a Quote for Current Ship Date

Key Features
  • Sold & Supported in North America by: LaserDiodeSource.com, part of the
    Laser Lab Source Marketplace Group
  • 375nm Laser System with up to 50 mW User Adjustable Output Power
  • Free Space Output with Shutter
  • High Stability, Excellent Beam Quality, Low Noise
  • Manufactured by Coherent, a Laser Lab Source Marketplace Seller; Mfr SKU 1178748

Price and Delivery Quote

Buy Now / Add to Cart

Technical Questions for this Product


Customers Also Considered:

Why do Scientists & Engineers Choose Laser Lab Source?

MODEL 1178748 / 375NM-OBIS-LASER
PRICE $8980.00
Output Specifications
  • Wavelength: 375 nm (± 5 nm)
  • Wavelength Color: Ultra-Violet
  • Output Power: 50 mW, User Adjustable
  • Technology: Laser Diode
  • Warm-Up Time: 5 min
  • Laser Drive Modes: CW, Analog Modulation, Digital Modulation and Computer Control
Optical Beam and Output Specifications
  • M2 Beam Quality: ≤ 1.3 (beam quality measured @ full 90/10 clip levels)
  • Beam Asymmetry: ≤ 1:1.2
  • Spatial Mode: TEM00
  • Beam Type / Shape: Circular Beam
  • Beam Diameter at 1/e²: 0.7 ±0.1 mm
  • Beam Divergence (full-angle): < 1 mrad
  • Pointing Stability (over 2 hours after warm-up and ±3°C): < 30 μrad
  • Pointing Stability Over Temp.: < 5 μrad/°C
  • RMS Noise, 20 Hz to 20 MHz: ≤ 0.05 %
  • Peak to Peak Noise, 20 Hz to 20 kHz: < 0.5 %
  • Long Term Power Stability (8 hrs, ±3ºC): <2%
  • Polarization Ratio: Minimum 100:1, Vertical ± 5°
  • Warm-Up Time, from Cold Start: < 5 min.
  • Static Alignment Tolerances:
  • Beam Position from Reference: < 1 mm *
  • Beam Angle: < 5 mrad *
  • Beam Waist Position at Exit Window: n/a
  • * See Mechanical Drawing for Beam Exit Location
MODULATION Specifications
  • Digital Modulation:
  • Digital Modulation Connector: SMB Connector, 0 V to 3 V, 50 Ω input impedance
  • Maximum Bandwidth: 75 MHz
  • Rise Time (10% to 90%): < 5 nsec
  • Fall Time (90% to 10%): < 5 nsec
  • Modulation Extinction Ratio: > 1,000,000:1 at 0 Hz, > 250:1 at 75 MHz
  • Analog Modulation:
  • Analog Modulation Connector: SMB Connector, 0V to 5V, 50 Ω or 2000 Ω input impedance
  • Maximum Bandwidth: 500 kHz
  • Rise Time (10% to 90%): < 700 nsec
  • Fall Time (90% to 10%): < 700 nsec
  • Modulation Extinction Ratio: > 1,000,000:1
General Specifications
  • Laser Safety Classification: 3b
  • ESD Protection: EN61326-1
  • Power Consumption: 5 W (typ), 13 W (max)
  • Max Laser Head Baseplate Temperature: 50ºC (LX versions)
  • Max Laser Head Baseplate Temperature: 40ºC (LS versions)
  • Operating Temperature: 10ºC to 50ºC (non condensing)
  • Storage Temperature: -20ºC to 60ºC (non condensing)
  • Operating Voltage: 12 VDC
  • Safety: Key-Switch and Interlock Connection
  • Laser Head Dimensions: 70 x 40 x 38 mm (2.75 x 1.57 x 1.5 in.)
  • OBIS Remote Dimensions: 105 x 68 x 36 mm (4.13 x 2.68 x 1.42 in.)
  • DC Power Supply Dimensions: 105 x 42 x 33 mm (4.13 x 1.65 x 1.3 in.)
  • Laser Head Weight: 0.16 kg
  • OBIS Remote Weight: 0.23 kg (0.5 lb)
  • DC Power Supply Weight: 0.36 kg (0.79 lbs.)
  • USB Control Interconnection: USB 2.0, Mini-B
  • RS-232 Control Interconnection: RS-232, 11.2 k
  • Remote to Laser Connection: 1 m Cable, included
  • Shock Tolerance (6 msec): 30 g

Product Overview:

375nm Single Mode Semiconductor Laser Diode System for Scientific R&D Applications

These plug-and-play 375nm laser sources offer industry leading beam quality and performance. The 375nm laser head is available at 16mW and 50mW output power levels. These semiconductor diode laser based systems are the industries' choice for demanding R&D applications such as flow cytometry, fluorescence, sensing and spectroscopy applications. These UV laser systems deliver high power and wavelength stability as well as excellent beam quality specifications.

Complete Turn-Key Performance

These systems are "all-inclusive". They ship with the laser head, power supply, control unit and all interconnect cables. They can be remotely operated using USB or RS232 and the PC control software is included. To enhance user safety, they include a front panel key switch to prevent unauthorized use and an external interlock allows the additional security of a remote safety switch. The control unit includes a Laser Ready and Laser On indicator, as well as a front panel Fault indicator.

Multiple Modulation Modes, Full-Zero Output

These systems can be operated in CW mode or modulated mode. The modulated mode can operate in multiple modes: analog signal, digital signal and combined analog/digital signals. The laser can be modulated to full-off output, ensuring no photons are emitted.

Laser System Options and Availability

The turn-key OBIS laser sources are available in a wide range of wavelengths and output powers, either fiber-coupled or with a free-space output, and multiple sources can be simultaneously operated from a single computer. When application requirements change, laser heads of different wavelengths are effortlessly interchanged on the bench.

A number of bandpass filters are available for the free-space laser heads, and are useful in applications that benefit from reduced noise at longer wavelengths. Filters are available at 445nm, 473nm, 488nm, 633nm, and 640nm, and attach directly to the front of the laser head.

A range of multi-laser accessories are available: two six-laser controller models for OEM and benchtop applications, a machined heatsink with attached cooling fan. An integrated mounting and control system is also available: it incorporates independent laser controllers, modulation inputs, and thermal management for up to five OBIS laser heads. Please inquire for these and other options.

Why do Scientists & Engineers Choose Laser Lab Source?

  • Get DIRECT, Fast Tech-Support from the Product Engineer, No Sales Person in the Middle

  • Get the Lowest Price, Factory Direct, No Mark-Up's, Suppliers Post their Own Price

  • Get a 30 Day Evaluation Period with No Risk Return on Most Products, Check Availability