--- title: "Model 155H/158H | High Power Optical Pulse Modules" date: 2025-01-06T09:35:40Z modified: 2025-10-01T05:00:53Z permalink: "https://www.berkeleynucleonics.com/model-155h/" type: page status: publish excerpt: "" wpid: 19663 --- [ ![](https://www.berkeleynucleonics.com/wp-content/uploads/bnc_academy_upper_banner.png) ](https://academy.berkeleynucleonics.com/) [](https://www.berkeleynucleonics.com/wp-content/uploads/images/products/model-106h_0.jpg) ![Model 155H](https://www.berkeleynucleonics.com/wp-content/uploads/images/products/model-106h_0.jpg) - [ Quote ](/get-quote/?interested_product=Model%20155H/158H%20|%20High%20Power%20Optical%20Pulse%20Modules) - [ Contact ](/contact/) - [ Datasheet ](#technical-resources-section) - [ Price List ](/access-pricelist/) - [ RF Selection Guide ](/ProductSelection/) #### Model 155H/158H | High Power Optical Pulse Modules Used in Conjunction with BNC Model 6040 Optical Pulse Generator Mainframe, the Model 155H is similar to the Model 106H, a high power Light Pulse Generator without CW Operation. The pulse wavelengths are selectable by the user and range from 1535nm – 1585nm. Standard power is 50mW, but new laser source may be selected offering up to 200mW. Fiber options exist as well: Single Mode (9/50, 9125) or Multi Mode (50/125). ##### [Features](#features-section) ##### [Specifications](#specifications-section) ##### [Downloable Resources](#downloadable-section) ##### [Price List](#pricelist-section) #### Overview ##### Features - Trigger Internal 0.01 Hz to 2kHz; external 0 to 2kHz - 4 Fix Pulse Width - Delay 0 ns to 640 s (plus fixed delay) ##### Applications - Photo Multiplier - Photo Detector - Fiber Optics Testing #### Specifications ##### Light out **Model** 155H 158H **Spectral Peak** 1550nm +/- 30nm (nominal) 1580nm +/- 30nm (nominal) **Spectral Width** Less than 5nm (nominal) **Power Levels** 5mW to 50mW Standard (up to 200mW custom), adjustable peak level; baseline fixed at zero. **Resolution** 0.2mW. **Transition Times (10% to 90%)** 1ns rise time, 5ns fall time. **Dynamic Range** 10 dB. **Absolute Accuracy** +/- 1 dB (10% to full scale). **Temperature Coefficient** 0.1 dB/°C. **Fiber** 62/125 Multi-Mode Fiber Standard (Contact Factory for custom fiber i.e Single Mode) **Connector** ST is Standard, (Contact Factory for Custom Connect i.e FCm SMA) ##### Timing **Trigger** Internal 0.01 Hz to 2 kHz; external 0 to 2 kHz. **Pulse Width** 10, 15, 20 and 25 ns. (Contact factory for custom widths between 5 nsand 50 ns.) **Delay** 0 ns to 640 s (plus fixed delay) in Single Pulse. Minimum pulse separation500 uS. **Module Delay** 30 ns typical (fixed) mainframe’s Pulse Out to module’s Pulse Out and 35 ns to Light Out. Jitter 100 ps rms. ##### Pulse Out **Amplitude** 2 V into 50 ohms. **Transition Time** 1.5 ns rise time, 2 ns fall time. ##### Store A ROM determines the instrument’s allowable operating conditions and units of display applicable for the installed module. A nonvolatile memory (RAM) in each module stores up to ten complete settings of operating conditions (trigger level, slope, etc.) and output pulse parameters. ##### Recall The RAM-stored settings can be manually or bus transferred to the mainframe to produce the predetermined outputs. ##### Weight 2 Ibs net (0.9 kg); 5 Ibs shipping (2.3 kg) (when installed in a Model 6040 Mainframe, est. 24 lbs. shipping) ##### Ambient Same as Model 6040 mainframe. #### Downloadable Resources Downloadable resources such as datasheets, firmware, software, drivers and products manuals. Alternatively, you can browse resources directly by visiting our [downloads page](/downloads). - [Product Datasheets](/downloads#ddg-datasheets) - [Product Firmware](/downloads#ddg-firmware) - [Product Software and Drivers](/downloads#ddg-softwaredrivers) - [Product Manuals](/downloads#ddg-manuals) #### Price Lists [ Berkeley Nucleonics Price List 2026](https://www.berkeleynucleonics.com/download/19881/?tmstv=1778700939) [ ![](data:image/svg+xml;charset=utf-8,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' viewBox%3D'0 0 1105 100'%2F%3E) ](https://academy.berkeleynucleonics.com/)