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last_updated: "2026-06-04T23:01:34.950-05:00"
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# Melles Griot 05-LHP-991-527 Helium Neon Laser

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Melles Griot
- Model: 05-LHP-991-527
- Condition: Used and in Excellent Condition
- Price: $430.00 USD
- Availability: In stock, 1 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 3 lb
- Shipping dimensions: 18X9X9 in

## Categories

- Test Equipment > Optical Test > Laser Sources (primary)

## Details

This unit includes a mount.

### Configuration

- Beam Quality: M2 : <1.05
- Wavelength: 632.8nm
- Transverse Mode: TEM00
- Centrality: Angular Error: <1mrad, Position: ±0.25mm
- Long Term Drift: ±2.5&percnt; (at 8 Hours)

## Images

- <https://www.artisantg.com/itemimages/melles_griot_05_lhp_991_527_view1_2024229151930.jpg>
- <https://www.artisantg.com/itemimages/melles_griot_05_lhp_991_527_view2_2024229151930.jpg>
- <https://www.artisantg.com/itemimages/melles_griot_05_lhp_991_527_view3_2024229151930.jpg>
- <https://www.artisantg.com/itemimages/melles_griot_05_lhp_991_527_view4_2024229151930.jpg>